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.MuiGrid-align-content-xs-center { align-content: center; } .MuiGrid-align-content-xs-flex-start { align-content: flex-start; } .MuiGrid-align-content-xs-flex-end { align-content: flex-end; } .MuiGrid-align-content-xs-space-between { align-content: space-between; } .MuiGrid-align-content-xs-space-around { align-content: space-around; } .MuiGrid-justify-content-xs-center { justify-content: center; } .MuiGrid-justify-content-xs-flex-end { justify-content: flex-end; } .MuiGrid-justify-content-xs-space-between { justify-content: space-between; } .MuiGrid-justify-content-xs-space-around { justify-content: space-around; } .MuiGrid-justify-content-xs-space-evenly { justify-content: space-evenly; } .MuiGrid-spacing-xs-0 { width: calc(100% + 0rem); margin: -0rem; } .MuiGrid-spacing-xs-0 > .MuiGrid-item { padding: 0rem; } .MuiGrid-spacing-xs-1 { width: calc(100% + 0.5rem); margin: -0.25rem; } .MuiGrid-spacing-xs-1 > .MuiGrid-item { padding: 0.25rem; } .MuiGrid-spacing-xs-2 { width: calc(100% + 1rem); margin: -0.5rem; } .MuiGrid-spacing-xs-2 > .MuiGrid-item { padding: 0.5rem; } .MuiGrid-spacing-xs-3 { width: calc(100% + 1.5rem); margin: -0.75rem; } .MuiGrid-spacing-xs-3 > .MuiGrid-item { padding: 0.75rem; } .MuiGrid-spacing-xs-4 { width: calc(100% + 2rem); margin: -1rem; } .MuiGrid-spacing-xs-4 > .MuiGrid-item { padding: 1rem; } .MuiGrid-spacing-xs-5 { width: calc(100% + 2.5rem); margin: -1.25rem; } .MuiGrid-spacing-xs-5 > .MuiGrid-item { padding: 1.25rem; } .MuiGrid-spacing-xs-6 { width: calc(100% + 3rem); margin: -1.5rem; } .MuiGrid-spacing-xs-6 > .MuiGrid-item { padding: 1.5rem; } .MuiGrid-spacing-xs-7 { width: calc(100% + 3.5rem); margin: -1.75rem; } .MuiGrid-spacing-xs-7 > .MuiGrid-item { padding: 1.75rem; } .MuiGrid-spacing-xs-8 { width: calc(100% + 4rem); margin: -2rem; } .MuiGrid-spacing-xs-8 > .MuiGrid-item { padding: 2rem; } .MuiGrid-spacing-xs-9 { width: calc(100% + 4.5rem); margin: -2.25rem; } .MuiGrid-spacing-xs-9 > .MuiGrid-item { padding: 2.25rem; } .MuiGrid-spacing-xs-10 { width: calc(100% + 5rem); margin: -2.5rem; } .MuiGrid-spacing-xs-10 > .MuiGrid-item { padding: 2.5rem; } .MuiGrid-grid-xs-auto { flex-grow: 0; max-width: none; flex-basis: auto; } .MuiGrid-grid-xs-true { flex-grow: 1; max-width: 100%; flex-basis: 0; } .MuiGrid-grid-xs-1 { flex-grow: 0; max-width: 8.333333%; flex-basis: 8.333333%; } .MuiGrid-grid-xs-2 { flex-grow: 0; max-width: 16.666667%; flex-basis: 16.666667%; } .MuiGrid-grid-xs-3 { flex-grow: 0; max-width: 25%; flex-basis: 25%; } .MuiGrid-grid-xs-4 { flex-grow: 0; max-width: 33.333333%; flex-basis: 33.333333%; } .MuiGrid-grid-xs-5 { flex-grow: 0; max-width: 41.666667%; flex-basis: 41.666667%; } .MuiGrid-grid-xs-6 { flex-grow: 0; max-width: 50%; flex-basis: 50%; } .MuiGrid-grid-xs-7 { flex-grow: 0; max-width: 58.333333%; flex-basis: 58.333333%; } .MuiGrid-grid-xs-8 { flex-grow: 0; max-width: 66.666667%; flex-basis: 66.666667%; } .MuiGrid-grid-xs-9 { flex-grow: 0; max-width: 75%; flex-basis: 75%; } .MuiGrid-grid-xs-10 { flex-grow: 0; max-width: 83.333333%; flex-basis: 83.333333%; } .MuiGrid-grid-xs-11 { flex-grow: 0; max-width: 91.666667%; flex-basis: 91.666667%; } .MuiGrid-grid-xs-12 { flex-grow: 0; max-width: 100%; flex-basis: 100%; } @media (min-width:600px) { .MuiGrid-grid-sm-auto { flex-grow: 0; max-width: none; flex-basis: auto; } .MuiGrid-grid-sm-true { flex-grow: 1; max-width: 100%; flex-basis: 0; } .MuiGrid-grid-sm-1 { flex-grow: 0; max-width: 8.333333%; flex-basis: 8.333333%; } .MuiGrid-grid-sm-2 { flex-grow: 0; max-width: 16.666667%; flex-basis: 16.666667%; } .MuiGrid-grid-sm-3 { flex-grow: 0; max-width: 25%; flex-basis: 25%; } .MuiGrid-grid-sm-4 { flex-grow: 0; max-width: 33.333333%; flex-basis: 33.333333%; } .MuiGrid-grid-sm-5 { flex-grow: 0; max-width: 41.666667%; flex-basis: 41.666667%; } .MuiGrid-grid-sm-6 { flex-grow: 0; max-width: 50%; flex-basis: 50%; } .MuiGrid-grid-sm-7 { flex-grow: 0; max-width: 58.333333%; flex-basis: 58.333333%; } .MuiGrid-grid-sm-8 { flex-grow: 0; max-width: 66.666667%; flex-basis: 66.666667%; } .MuiGrid-grid-sm-9 { flex-grow: 0; max-width: 75%; flex-basis: 75%; } .MuiGrid-grid-sm-10 { flex-grow: 0; max-width: 83.333333%; flex-basis: 83.333333%; } .MuiGrid-grid-sm-11 { flex-grow: 0; max-width: 91.666667%; flex-basis: 91.666667%; } .MuiGrid-grid-sm-12 { flex-grow: 0; max-width: 100%; flex-basis: 100%; } } @media (min-width:960px) { .MuiGrid-grid-md-auto { flex-grow: 0; max-width: none; flex-basis: auto; } .MuiGrid-grid-md-true { flex-grow: 1; max-width: 100%; flex-basis: 0; } .MuiGrid-grid-md-1 { flex-grow: 0; max-width: 8.333333%; flex-basis: 8.333333%; } .MuiGrid-grid-md-2 { flex-grow: 0; max-width: 16.666667%; flex-basis: 16.666667%; } .MuiGrid-grid-md-3 { flex-grow: 0; max-width: 25%; flex-basis: 25%; } .MuiGrid-grid-md-4 { flex-grow: 0; max-width: 33.333333%; flex-basis: 33.333333%; } .MuiGrid-grid-md-5 { flex-grow: 0; max-width: 41.666667%; flex-basis: 41.666667%; } .MuiGrid-grid-md-6 { flex-grow: 0; max-width: 50%; flex-basis: 50%; } .MuiGrid-grid-md-7 { flex-grow: 0; max-width: 58.333333%; flex-basis: 58.333333%; } .MuiGrid-grid-md-8 { flex-grow: 0; max-width: 66.666667%; flex-basis: 66.666667%; } .MuiGrid-grid-md-9 { flex-grow: 0; max-width: 75%; flex-basis: 75%; } .MuiGrid-grid-md-10 { flex-grow: 0; max-width: 83.333333%; flex-basis: 83.333333%; } .MuiGrid-grid-md-11 { flex-grow: 0; max-width: 91.666667%; flex-basis: 91.666667%; } .MuiGrid-grid-md-12 { flex-grow: 0; max-width: 100%; flex-basis: 100%; } } @media (min-width:1280px) { .MuiGrid-grid-lg-auto { flex-grow: 0; max-width: none; flex-basis: auto; } .MuiGrid-grid-lg-true { flex-grow: 1; max-width: 100%; flex-basis: 0; } .MuiGrid-grid-lg-1 { flex-grow: 0; max-width: 8.333333%; flex-basis: 8.333333%; } .MuiGrid-grid-lg-2 { flex-grow: 0; max-width: 16.666667%; flex-basis: 16.666667%; } .MuiGrid-grid-lg-3 { flex-grow: 0; max-width: 25%; flex-basis: 25%; } .MuiGrid-grid-lg-4 { flex-grow: 0; max-width: 33.333333%; flex-basis: 33.333333%; } .MuiGrid-grid-lg-5 { flex-grow: 0; max-width: 41.666667%; flex-basis: 41.666667%; } .MuiGrid-grid-lg-6 { flex-grow: 0; max-width: 50%; flex-basis: 50%; } .MuiGrid-grid-lg-7 { flex-grow: 0; max-width: 58.333333%; flex-basis: 58.333333%; } .MuiGrid-grid-lg-8 { flex-grow: 0; max-width: 66.666667%; flex-basis: 66.666667%; } .MuiGrid-grid-lg-9 { flex-grow: 0; max-width: 75%; flex-basis: 75%; } .MuiGrid-grid-lg-10 { flex-grow: 0; max-width: 83.333333%; flex-basis: 83.333333%; } .MuiGrid-grid-lg-11 { flex-grow: 0; max-width: 91.666667%; flex-basis: 91.666667%; } .MuiGrid-grid-lg-12 { flex-grow: 0; max-width: 100%; flex-basis: 100%; } } @media (min-width:1920px) { .MuiGrid-grid-xl-auto { flex-grow: 0; max-width: none; flex-basis: auto; } .MuiGrid-grid-xl-true { flex-grow: 1; max-width: 100%; flex-basis: 0; } .MuiGrid-grid-xl-1 { flex-grow: 0; max-width: 8.333333%; flex-basis: 8.333333%; } .MuiGrid-grid-xl-2 { flex-grow: 0; max-width: 16.666667%; flex-basis: 16.666667%; } .MuiGrid-grid-xl-3 { flex-grow: 0; max-width: 25%; flex-basis: 25%; } .MuiGrid-grid-xl-4 { flex-grow: 0; max-width: 33.333333%; flex-basis: 33.333333%; } .MuiGrid-grid-xl-5 { flex-grow: 0; max-width: 41.666667%; flex-basis: 41.666667%; } .MuiGrid-grid-xl-6 { flex-grow: 0; max-width: 50%; flex-basis: 50%; } .MuiGrid-grid-xl-7 { flex-grow: 0; max-width: 58.333333%; flex-basis: 58.333333%; } .MuiGrid-grid-xl-8 { flex-grow: 0; max-width: 66.666667%; flex-basis: 66.666667%; } .MuiGrid-grid-xl-9 { flex-grow: 0; max-width: 75%; flex-basis: 75%; } .MuiGrid-grid-xl-10 { flex-grow: 0; max-width: 83.333333%; flex-basis: 83.333333%; } .MuiGrid-grid-xl-11 { flex-grow: 0; max-width: 91.666667%; flex-basis: 91.666667%; } .MuiGrid-grid-xl-12 { flex-grow: 0; max-width: 100%; flex-basis: 100%; } } .jss2 { color: #fff; z-index: 1300; position: relative; padding-top: 1.5rem; padding-bottom: 1.5rem; background-color: #0d224c; } @media (max-width:599.95px) { .jss3 { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; } } @media (min-width:600px) { .jss3 { flex-shrink: 0; } } @media (max-width:599.95px) { .jss4 { margin-top: 1.5rem; flex-shrink: 0; } } @media (min-width:600px) { .jss5 { display: flex; align-items: center; justify-content: space-between; } } @media (min-width:600px) { .jss6 { margin-right: 1.5rem; } } @media (max-width:599.95px) { .jss7 { margin-top: 1.5rem; flex-shrink: 0; margin-right: 1rem; } } @media (min-width:600px) { .jss7 { margin-right: 1.5rem; } } .jss8 { margin-top: 1rem; } .jss1 { clip: rect(0 0 0 0); color: #000; width: 1px; height: 1px; display: block; overflow: hidden; position: absolute; clip-path: inset(50%); padding-top: 0.5rem; white-space: nowrap; padding-bottom: 0.5rem; text-decoration: unset; background-color: #fd6; } .jss1:focus { clip: unset; width: unset; height: unset; outline: .25rem solid transparent; overflow: unset; position: unset; clip-path: unset; white-space: unset; } .jss34 > * { box-sizing: border-box; font-family: Roboto; } .jss35 { padding-top: 1.5rem; padding-bottom: 2.5rem; } .jss36 { padding-top: 2.5rem; padding-bottom: 2.5rem; } .jss37 { padding-top: 1.5rem; padding-bottom: 2.5rem; } .jss38 { color: #fff; } .jss39 { background-color: #4c4c4c; } .jss40 { background-color: #404040; } .jss41 { background-color: #333; } .jss42 { display: inline; } .jss43:link { color: #fff; text-decoration: none; } .jss43:visited { color: #fff; } .jss43:focus { color: #000; outline: .25rem solid transparent; box-shadow: 0 .25rem 0 0 #fd6, 0 -.25rem 0 0 #fd6; text-decoration: none; background-color: #fd6; } .jss43:hover { color: #d9d9d9; transition: color .2s ease; text-decoration: underline; } .jss43:focus:hover { color: #000; outline: .25rem solid transparent; box-shadow: 0 .25rem 0 0 #fd6, 0 -.25rem 0 0 #fd6; text-decoration: none; background-color: #fd6; } .jss43:active { color: #fff; } .jss43:focus:active { color: #fff; outline: none; box-shadow: none; text-decoration: underline; background-color: transparent; } .jss44 { margin: 0; display: inline; padding: 0; list-style: none; } .jss45 { display: inline-block; font-size: .875rem; margin-top: 1rem; font-weight: 400; line-height: 1.428571428571429rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss45 b { font-weight: bolder; } .jss45 strong { font-weight: bolder; } .jss45:not(:last-child) { margin-right: 1rem; } .jss46::before { content: ">"; margin-right: 1rem; } .jss47 { width: calc(100% + 1.5rem); margin-left: -0.75rem; margin-right: -0.75rem; } .jss47 .MuiGrid-item { padding-left: 0.75rem; padding-right: 0.75rem; } @media (max-width:959.95px) { .jss47 { width: calc(100% + 1rem); margin-left: -0.5rem; margin-right: -0.5rem; } .jss47 .MuiGrid-item { padding-left: 0.5rem; padding-right: 0.5rem; } } .jss48 { padding-top: 0; padding-bottom: 0; } .jss49 { font-size: .875rem; font-weight: 400; line-height: 1.428571428571429rem; padding-top: 1rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss49 b { font-weight: bolder; } .jss49 strong { font-weight: bolder; } @media (max-width:599.95px) { .jss49 { border-top: .0625rem solid #707070; padding-top: 1.5rem; } } .jss50 { list-style: none; margin-top: 1.5rem; padding-left: 0; margin-bottom: 0; } @media (max-width:599.95px) { .jss51 { margin-top: 3rem; } } .jss52 { font-size: 1rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 500; line-height: 1.5rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } @media (min-width:960px) { .jss52 { font-size: 1.25rem; line-height: 2rem; } } .jss52 b { font-weight: bolder; } .jss52 strong { font-weight: bolder; } .jss53 { font-size: .875rem; font-weight: 400; line-height: 1.428571428571429rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss53 b { font-weight: bolder; } .jss53 strong { font-weight: bolder; } .jss53:not(:first-child) { margin-top: 1rem; } .jss54 { margin-right: 0.5rem; } .jss55 { display: flex; flex-wrap: wrap; list-style: none; margin-top: 0; padding-left: 0; margin-bottom: 0; } .jss56 { margin-bottom: 0; } @media (max-width:599.95px) { .jss56 { margin-bottom: 1.5rem; } } .jss57 { font-size: .875rem; margin-top: 1rem; font-weight: 400; line-height: 1.428571428571429rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss57 b { font-weight: bolder; } .jss57 strong { font-weight: bolder; } .jss57:not(:last-child) { margin-right: 1.5rem; } .jss58 { font-size: .875rem; font-weight: 400; line-height: 1.428571428571429rem; padding-top: 1.5rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss58 b { font-weight: bolder; } .jss58 strong { font-weight: bolder; } @media (max-width:599.95px) { .jss58 { border-top: .0625rem solid #707070; } } .jss59:link { color: #fff; text-decoration: underline; } .jss59:visited { color: #d9d9d9; } .jss59:focus { color: #000; outline: .25rem solid transparent; box-shadow: 0 .25rem 0 0 #fd6, 0 -.25rem 0 0 #fd6; text-decoration: none; background-color: #fd6; } .jss59:hover { color: #d9d9d9; transition: color .2s ease; text-decoration: underline; } .jss59:focus:hover { color: #000; outline: .25rem solid transparent; box-shadow: 0 .25rem 0 0 #fd6, 0 -.25rem 0 0 #fd6; text-decoration: none; background-color: #fd6; } .jss59:active { color: #fff; } .jss59:focus:active { color: #fff; outline: none; box-shadow: none; text-decoration: underline; background-color: transparent; } .jss23 { display: none; align-items: center; margin-left: auto; justify-content: center; } @media (max-width: 757px) { .jss23 { gap: 8px; display: flex; } } @media (min-width:600px) { .jss23 { margin-top: 0.5rem; } } .jss24 { color: #069; width: 36px; border: none; height: 36px; justify-content: center; background-color: #e4e9ec; } .jss24:hover { color: #fff; cursor: pointer; background-color: #069; } .jss24:focus { color: #fff; outline: .25rem solid #fd6; outline-offset: -2px; background-color: #069; } .jss25 { display: flex; position: relative; align-items: center; margin-left: auto; } @media (max-width: 757px) { .jss25 { top: 100%; right: 0; display: none; padding: 1.8rem; position: absolute; border-top: 1px solid #ccc; box-shadow: 0px 5px 4px rgb(0 0 0 / 20%); -moz-box-shadow: 0px 5px 4px rgba(0,0,0,0.2); background-color: #fff; -webkit-box-shadow: 0px 5px 4px rgb(0 0 0 / 20%); } } @media (max-width: 400px) { .jss25 { left: 0; } } @media (max-width: 757px) { .jss25.visible { display: block; } } .jss26 { color: #666; display: block; font-size: 18px; text-decoration: unset; } .jss26:hover { color: #004777; text-decoration: underline; } .jss26:focus { color: #000; outline: transparent solid 0.25rem; box-shadow: rgb(255 221 102) 0px 0.25rem 0px 0px, rgb(255 221 102) 0px -0.25rem 0px 0px; text-decoration: none; background-color: rgb(255, 221, 102); } .jss27 { top: 100%; right: 0; width: 600px; display: none; padding: 20px 30px; position: absolute; border-top: 2px solid #00557f; box-shadow: 0px 5px 4px rgb(0 0 0 / 20%); text-align: center; -moz-box-shadow: 0px 5px 4px rgba(0,0,0,0.2); background-color: #fff; -webkit-box-shadow: 0px 5px 4px rgb(0 0 0 / 20%); } @media (max-width: 757px) { .jss27 { display: none; } } .jss28 { top: 50%; color: #2c3841; right: 1.8rem; width: 32px; border: none; bottom: 0; cursor: pointer; height: 32px; display: flex; position: absolute; transform: translateY(-50%); align-items: center; justify-content: center; background-color: transparent; } @media (min-width: 757px) { .jss28 { right: 10px; } } .jss28:hover { opacity: 0.5; } .jss28:focus { outline: .25rem solid #fd6; background-color: #fff; } @media (max-width: 757px) { .jss29 { width: 100%; } } @media (min-width: 757px) { .jss29:focus-within #predictive-results.visible { display: block; } } @media (min-width: 757px) { .jss30 { padding: 10px 10px; position: relative; margin-right: -10px; } .jss30.has-search-term:focus-within { box-shadow: 0 0 2px rgb(0 0 0 / 20%); -moz-box-shadow: 0 0 2px rgba(0,0,0,0.2); background-image: linear-gradient(to bottom,#e4e9ec 0%,#fff 100%); -webkit-box-shadow: 0 0 2px rgb(0 0 0 / 20%); } } .jss31 { width: 210px; border: 2px solid #E4E9EC; display: block; padding: 5px 32px 4px 9px; min-height: 31px; background-color: #fff; } .jss31:focus { outline: .25rem solid #fd6; background-color: #fff; } .jss31::-webkit-search-cancel-button, .jss31::-webkit-search-decoration, .jss31 -webkit-search-results-button, .jss31 -webkit-search-results-decoration { display: none; } .jss31::-ms-clear { width: 0; height: 0; display: none; } .jss31::-ms-reveal { width: 0; height: 0; display: none; } .jss31:-webkit-autofill, .jss31:-webkit-autofill:hover, .jss31:-webkit-autofill:active, .jss31:-webkit-autofill:focus { -webkit-box-shadow: 0 0 0px 1000px #fff inset; } @media (max-width: 757px) { .jss31 { width: 100%; } } .jss32 span { clip: rect(0 0 0 0); width: 1px; height: 1px; overflow: hidden; position: absolute; clip-path: inset(50%); white-space: nowrap; } .jss9 { z-index: 1100; position: relative; } .jss10 { color: #666; background-color: #fff; } @media (min-width:600px) { .jss10 { padding-top: 0.5rem; padding-bottom: 0.5rem; } } @media (max-width:599.95px) { .jss11::before { content: ''; display: table; } .jss11::after { clear: both; content: ''; display: table; } } @media (min-width:600px) { .jss11 { display: flex; justify-content: space-between; } } @media (max-width:599.95px) { .jss12 { float: left; } } .jss13 { display: flex; } .jss14 { line-height: 0; } .jss15 { margin-left: 16px; } @media (max-width:599.95px) { .jss15 { margin-top: 1rem; } } @media (min-width:600px) { .jss15 { margin-top: .625rem; } } @media (max-width:599.95px) { .jss16 { font-size: 1rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 1.5rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss16 b { font-weight: bolder; } .jss16 strong { font-weight: bolder; } } @media (min-width:600px) { .jss16 { font-size: 1.25rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 2rem; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss16 b { font-weight: bolder; } .jss16 strong { font-weight: bolder; } } .jss17 { margin-right: 3px; } @media (max-width:599.95px) { .jss18 { display: none; } } @media (min-width:600px) { .jss18 { font-size: 1.25rem; font-family: "Roboto", "Helvetica", "Arial", sans-serif; font-weight: 400; line-height: 2rem; margin-left: 3px; letter-spacing: unset; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } .jss18 b { font-weight: bolder; } .jss18 strong { font-weight: bolder; } } .jss19:link { color: #666; text-decoration: unset; } .jss19:visited { color: #666; } .jss19:focus { color: #000; outline: .25rem solid transparent; box-shadow: 0 .25rem 0 0 #fd6, 0 -.25rem 0 0 #fd6; text-decoration: none; background-color: #fd6; } .jss19:focus:not(:focus-visible) { outline: .25rem solid transparent; box-shadow: unset; text-decoration: underline; background-color: unset; } .jss19:hover { color: #004777; text-decoration: underline; } .jss19:active { color: #000; text-decoration: underline; } @media (hover: none) { .jss19:hover { color: #666; } } @media (max-width:599.95px) { .jss20 { width: 2.5rem; height: 2.5rem; } } @media (min-width:600px) { .jss20 { width: 3.25rem; height: 3.25rem; } } .jss21 { display: inline-block; } @media (max-width:599.95px) { .jss21 { margin-top: 0.5rem; margin-bottom: 0.5rem; } } .jss21:focus { outline: .25rem solid #fd6; } .jss21:focus:not(:focus-visible) { outline: none; } .jss21:hover { opacity: 0.7; } .jss21:active { opacity: 1; } @media (hover: none) { .jss21:hover { opacity: 1; } } .jss22 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sm:text-[2.75rem] md:text-[3rem] md:leading-[4rem]" id="servicePageHeaderTitle">Allow and deny lists</h1><div class="sm:grid sm:grid-cols-2 sm:gap-x-4"><p class="mt-6 mb-[unset] font-sans text-[1.25rem] font-normal antialiased leading-[2rem] sm:w-1/2 sm:min-w-full sm:mt-[unset]">Allow and deny lists identify sources of email abuse, or known 'good' email servers. With a Janet connection you can gain access to and benefit from a number of these leading lists.</p><div class="mt-6 sm:w-1/2 sm:min-w-full sm:mt-[unset]" data-testid="service-page-header-call-to-action-panel"><p class="p-6 my-[unset] font-sans text-[1.25rem] font-normal text-jiscWhite antialiased leading-[2rem] bg-jiscBrandGreen-main sm:mr-8 sm:text-[1.5rem]"><a class="flex shrink-0 text-jiscWhite underline visited:text-jiscAlto focus:text-jiscBlack focus:bg-jiscDandelion focus:outline focus:outline-4 focus:outline-transparent focus:no-underline focus:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] hover:text-jiscAlto active:text-jiscWhite focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none focus:active:underline focus:active:bg-transparent focus:active:shadow-none" data-testid="service-page-header-primary-call-to-action" href="tel:03003002212">0300 300 2212</a></p><div class="px-6 pt-2 pb-6 text-jiscWhite bg-jiscMineShaft sm:mr-8" data-testid="service-page-header-secondary-calls-to-action"><ul class="pl-[unset] my-[unset] font-sans text-[1rem] font-normal antialiased leading-[1.5rem] list-none"><li class="mt-4" data-testid="service-page-header-secondary-call-to-action"><a class="flex text-jiscWhite underline visited:text-jiscAlto focus:text-jiscBlack focus:bg-jiscDandelion focus:outline focus:outline-4 focus:outline-transparent focus:no-underline focus:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] hover:text-jiscAlto active:text-jiscWhite focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none focus:active:underline focus:active:bg-transparent focus:active:shadow-none" href="http://web.archive.org/web/20240527102437/mailto:securityservices@jisc.ac.uk"><span class="shrink-0 min-w-[2rem] mr-4 text-[1.25rem] text-center"><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="envelope" class="svg-inline--fa fa-envelope " role="img" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512"><path fill="currentColor" d="M48 64C21.5 64 0 85.5 0 112c0 15.1 7.1 29.3 19.2 38.4L236.8 313.6c11.4 8.5 27 8.5 38.4 0L492.8 150.4c12.1-9.1 19.2-23.3 19.2-38.4c0-26.5-21.5-48-48-48H48zM0 176V384c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V176L294.4 339.2c-22.8 17.1-54 17.1-76.8 0L0 176z"></path></svg></span><span class="break-all">securityservices@jisc.ac.uk</span></a></li></ul></div></div></div></div></header><div class=" clearfix pt-10 pb-10 bg-jiscWhite " data-testid="content-area"><div class="box-border max-w-screen-md px-4 mx-auto md:px-6"><div class="box-border flex w-[calc(100%+1rem)] -mx-2"><div class="box-border hidden px-2 sm:block sm:w-1/12" data-testid="replace-material-ui-hidden--1/12@sm"></div><div class="box-border px-2 sm:w-10/12"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | mb-6 |"><p data-block-key="6nm4d"></p><p data-block-key="aea7h">Access our聽copies of several leading DNS allow and deny lists聽in order to protect your users from email abuse.</p><p data-block-key="5brto">Deny lists聽will enable you to block 'unwanted' email, while at the other end of the spectrum, allow lists will allow 'wanted' email to get through to end-users.</p><p data-block-key="9h4uo">We currently subscribe to the following:</p><ul><li data-block-key="6fhk7"><strong>Deny lists</strong> - Spamhaus Zen</li><li data-block-key="4542l"><strong>URI list</strong>聽- URIBL</li><li data-block-key="aa3ar"><strong>Allow lists</strong> - Spamhaus SWL and DWL</li></ul><p data-block-key="6v8ov">If you think that one of our聽DNS deny lists聽is affecting the delivery of your email messages then聽visit our聽<a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-services-documentation/what-do-if-your-mail-being-blocked-0">community聽page on what to do if your mail is being blocked</a>.</p><p data-block-key="9umrc"></p></div><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | mt-6 mb-6 |"><h2 id="key-features-3n5sw" data-block-key="3n5sw">Key features</h2><ul><li data-block-key="61qis">Comprehensive lists</li><li data-block-key="7tgn">Quick look-ups from Janet mirrors</li><li data-block-key="22q8t">No paying for separate subscriptions</li><li data-block-key="95c13">Rapid identification of unwanted email</li><li data-block-key="4fdon">Reduced risk of losing legitimate email</li><li data-block-key="flkni">Impartial advice and tips on use from our experts</li><li data-block-key="3u1hn">Internationally recognised, reliable databases of IP addresses</li></ul><h2 id="get-in-touch-2dirl" data-block-key="2dirl">Get in touch</h2><p data-block-key="fbvrc">To find out more, contact us on聽<a href="http://web.archive.org/web/20240527102437/mailto:service@ja.net">service@ja.net</a>聽or call聽0300 300 2212.</p></div><section class="mt-10 mb-10 border-t-jiscAlto border-t-[.0625rem] border-r-0 border-b-0 border-l-0 border-solid" data-testid="expandable-group"><details style="background-color:#fff" class=" border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid print:border-b-0" data-testid="expandable-block-2-expandable-1"><summary class=" font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack underline list-none cursor-pointer expandable-summary " data-testid="expandable-block-2-expandable-1-summary"><h3 class="flex items-center p-4 my-[unset] font-sans text-[1rem] antialiased font-normal leading-[1.5rem]" data-testid="expandable-block-2-expandable-1-heading-element"><span class="grow" data-testid="expandable-block-2-expandable-1-heading-content">Eligibility</span><span class="ml-2 shrink-0 sm:ml-4 print:hidden" data-testid="expandable-block-2-expandable-1-trigger-icon"><span aria-hidden="true" class="text-[.875rem]">Show</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-down" class="svg-inline--fa fa-chevron-down ml-2" role="img" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512"><path fill="currentColor" d="M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z"></path></svg></span></h3></summary><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-1-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><p data-block-key="81atf">This service is freely available to all Janet-connected organisations.</p><p data-block-key="btkrj">Use of this service is subject to adherence to the:</p><ul><li data-block-key="2efta"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/network-and-technology-policies/janet-network-connection-policy">Janet Network connection policy</a></li><li data-block-key="6m0ev"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/acceptable-use-policy">Janet acceptable use policy</a></li><li data-block-key="fpc1v"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/security-policy">Janet security policy</a></li></ul><p data-block-key="citml">Access to the lists are controlled through your organisation's IP address. Our <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists">allow and deny lists community page</a> has more detailed information about how the service works.</p></div></div></details><div class="hidden print:block border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid "><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-1-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><p data-block-key="81atf">This service is freely available to all Janet-connected organisations.</p><p data-block-key="btkrj">Use of this service is subject to adherence to the:</p><ul><li data-block-key="2efta"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/network-and-technology-policies/janet-network-connection-policy">Janet Network connection policy</a></li><li data-block-key="6m0ev"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/acceptable-use-policy">Janet acceptable use policy</a></li><li data-block-key="fpc1v"><a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/security-policy">Janet security policy</a></li></ul><p data-block-key="citml">Access to the lists are controlled through your organisation's IP address. Our <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists">allow and deny lists community page</a> has more detailed information about how the service works.</p></div></div></div><details style="background-color:#fff" class=" border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid print:border-b-0" data-testid="expandable-block-2-expandable-2"><summary class=" font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack underline list-none cursor-pointer expandable-summary " data-testid="expandable-block-2-expandable-2-summary"><h3 class="flex items-center p-4 my-[unset] font-sans text-[1rem] antialiased font-normal leading-[1.5rem]" data-testid="expandable-block-2-expandable-2-heading-element"><span class="grow" data-testid="expandable-block-2-expandable-2-heading-content">Technical information</span><span class="ml-2 shrink-0 sm:ml-4 print:hidden" data-testid="expandable-block-2-expandable-2-trigger-icon"><span aria-hidden="true" class="text-[.875rem]">Show</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-down" class="svg-inline--fa fa-chevron-down ml-2" role="img" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512"><path fill="currentColor" d="M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z"></path></svg></span></h3></summary><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-2-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><p data-block-key="dh50e">This service supports both IPv4 and IPv6.</p><p data-block-key="ej80r">This service takes feeds from the following reputable lists:</p><ol><li data-block-key="6aof4">Three Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list</li><li data-block-key="eff3">The Spamhaus allow list</li><li data-block-key="cjpkt">The multi.uribl.com URIBL list</li><li data-block-key="a1jrs">The dnswl.org allow list</li></ol></div></div></details><div class="hidden print:block border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid "><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-2-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><p data-block-key="dh50e">This service supports both IPv4 and IPv6.</p><p data-block-key="ej80r">This service takes feeds from the following reputable lists:</p><ol><li data-block-key="6aof4">Three Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list</li><li data-block-key="eff3">The Spamhaus allow list</li><li data-block-key="cjpkt">The multi.uribl.com URIBL list</li><li data-block-key="a1jrs">The dnswl.org allow list</li></ol></div></div></div><details style="background-color:#fff" class=" border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid print:border-b-0" data-testid="expandable-block-2-expandable-3"><summary class=" font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack underline list-none cursor-pointer expandable-summary " data-testid="expandable-block-2-expandable-3-summary"><h3 class="flex items-center p-4 my-[unset] font-sans text-[1rem] antialiased font-normal leading-[1.5rem]" data-testid="expandable-block-2-expandable-3-heading-element"><span class="grow" data-testid="expandable-block-2-expandable-3-heading-content">DNS list profiles</span><span class="ml-2 shrink-0 sm:ml-4 print:hidden" data-testid="expandable-block-2-expandable-3-trigger-icon"><span aria-hidden="true" class="text-[.875rem]">Show</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-down" class="svg-inline--fa fa-chevron-down ml-2" role="img" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512"><path fill="currentColor" d="M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z"></path></svg></span></h3></summary><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-3-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><h4 data-block-key="ldn1">Recommendations</h4><p data-block-key="dh3q0">We recommend that you use the Spamhaus sender lists in the first phase. In the second stage filter, the URIBL list can help to locate many of the otherwise difficult, remaining unwanted messages.</p><h4 data-block-key="fqkum">Deny lists</h4><p data-block-key="3np0u">DNS deny lists are a well-established technique that identify sources of email abuse as lists of IP address blocks, enabling Janet-connected organisations to quickly and easily reject a high proportion of unwanted email.</p><h4 data-block-key="5sc51">URI lists</h4><p data-block-key="eb0nl">Unlike most deny lists, URIBLs are not lists of message senders but URLs (web addresses, some but not all representing undesirable sites) which have been seen in email messages and have been identified as spam or phishing, or are otherwise malicious.</p><p data-block-key="41gmh">Links seen in these messages are more stable than the rapidly changing botnet IP addresses used to send the vast majority of them.</p><h4 data-block-key="3ki6t">Allow lists</h4><p data-block-key="agb3p">Allow lists contain all currently known trusted email servers, and are the opposite of deny lists. Email from listed email addresses, domains and/or IP address should generally be allowed through the mail server.</p><p data-block-key="54t1">Email allow lists are used to reduce the incidence of false positives and to speed up the filtering process, as they are often based on the assumption that most legitimate mail will be from a relatively small and fixed set of senders.</p></div></div></details><div class="hidden print:block border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid "><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-3-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><p data-block-key="lqtpi"></p><h4 data-block-key="ldn1">Recommendations</h4><p data-block-key="dh3q0">We recommend that you use the Spamhaus sender lists in the first phase. In the second stage filter, the URIBL list can help to locate many of the otherwise difficult, remaining unwanted messages.</p><h4 data-block-key="fqkum">Deny lists</h4><p data-block-key="3np0u">DNS deny lists are a well-established technique that identify sources of email abuse as lists of IP address blocks, enabling Janet-connected organisations to quickly and easily reject a high proportion of unwanted email.</p><h4 data-block-key="5sc51">URI lists</h4><p data-block-key="eb0nl">Unlike most deny lists, URIBLs are not lists of message senders but URLs (web addresses, some but not all representing undesirable sites) which have been seen in email messages and have been identified as spam or phishing, or are otherwise malicious.</p><p data-block-key="41gmh">Links seen in these messages are more stable than the rapidly changing botnet IP addresses used to send the vast majority of them.</p><h4 data-block-key="3ki6t">Allow lists</h4><p data-block-key="agb3p">Allow lists contain all currently known trusted email servers, and are the opposite of deny lists. Email from listed email addresses, domains and/or IP address should generally be allowed through the mail server.</p><p data-block-key="54t1">Email allow lists are used to reduce the incidence of false positives and to speed up the filtering process, as they are often based on the assumption that most legitimate mail will be from a relatively small and fixed set of senders.</p></div></div></div><details style="background-color:#fff" class=" border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid print:border-b-0" data-testid="expandable-block-2-expandable-4"><summary class=" font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack underline list-none cursor-pointer expandable-summary " data-testid="expandable-block-2-expandable-4-summary"><h3 class="flex items-center p-4 my-[unset] font-sans text-[1rem] antialiased font-normal leading-[1.5rem]" data-testid="expandable-block-2-expandable-4-heading-element"><span class="grow" data-testid="expandable-block-2-expandable-4-heading-content">Service level description</span><span class="ml-2 shrink-0 sm:ml-4 print:hidden" data-testid="expandable-block-2-expandable-4-trigger-icon"><span aria-hidden="true" class="text-[.875rem]">Show</span><svg aria-hidden="true" focusable="false" data-prefix="fas" data-icon="chevron-down" class="svg-inline--fa fa-chevron-down ml-2" role="img" xmlns="http://www.w3.org/2000/svg" viewbox="0 0 512 512"><path fill="currentColor" d="M233.4 406.6c12.5 12.5 32.8 12.5 45.3 0l192-192c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L256 338.7 86.6 169.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l192 192z"></path></svg></span></h3></summary><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-4-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><h4 data-block-key="yg2mc">Service description</h4><p data-block-key="pvda">This is an email abuse protection service to assist electronic mail systems at organisations to determine if they should refuse connections from certain addresses. The system is based on data from reputable sources and provides DNS-style resolution.</p><h4 data-block-key="atjas">Charges</h4><p data-block-key="8tfj8">This service is centrally-funded.</p><h4 data-block-key="6mqiu">Your responsibilities</h4><p data-block-key="5iebl">You are responsible for ensuring that the email system at the organisation is configured to use the service.</p><p data-block-key="felt3">You are also responsible on an ongoing basis for maintaining contact details.</p><h4 data-block-key="4pehb">Security</h4><p data-block-key="2qr41">Please ensure your organisation understands and adheres to the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/security-policy">security policy</a>.</p><h4 data-block-key="3q9tm">Hours of service</h4><p data-block-key="7i2ku">The service is available 24 hours a day, seven days a week, all year.</p><h4 data-block-key="5smc">Target availability</h4><p data-block-key="damtp">The target availability is 99.5% during the hours of service defined above, measured monthly over a 12 month period, excluding service-affecting maintenance.</p><p data-block-key="7d8vl">Service-affecting maintenance is capped at 0.5% and is normally carried out with at least two weeks' notice.</p><h4 data-block-key="11jj1">Fault management</h4><p data-block-key="drdhp">Faults with the service may be reported via the service desk on tel: 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a>.</p><p data-block-key="3tb3t">For full details please visit the <a href="http://web.archive.org/web/20240527102437/https://www.jisc.ac.uk/janet/fault-reporting">fault reporting</a> page.</p><h4 data-block-key="6vpf3">Resilience</h4><p data-block-key="dbqkf">The service comprises multiple servers that automatically take over from one another if a server fails - giving you peace of mind.</p><h4 data-block-key="32ui7">Request for service</h4><p data-block-key="7737b">You can request this service via the service desk on tel 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a></p><h4 data-block-key="13hn0">Service delivery time</h4><p data-block-key="5op5g">The service will be delivered within five business days of receipt of all necessary information.</p><h4 data-block-key="53ak0">Terms and conditions</h4><p data-block-key="clghn">Please ensure your organisation understands and adheres to the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/terms-provision-janet-service">terms and conditions</a></p><h4 data-block-key="6rsc7">Escalation</h4><p data-block-key="6vdsn">If you are experiencing an issue with the service, and wish to escalate the issue within Janet please contact us via the service desk on tel: 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a>.</p><h4 data-block-key="98vpr">Technical section</h4><p data-block-key="7lcfn">This service supports both IPv4 and IPv6.</p><p data-block-key="d0ies">This service takes feeds from the following reputable lists:</p><ol><li data-block-key="2dfe9">Three Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list</li><li data-block-key="aqmu2">The Spamhaus allow list</li><li data-block-key="ahsng">The multi.uribl.com URIBL list</li><li data-block-key="b85hv">The dnswl.org allow list</li></ol><p data-block-key="bu419">For details of how to use this service and for more information on the details of the maintained lists, visit the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists">allow and deny lists community page</a>.</p></div></div></details><div class="hidden print:block border-t-0 font-normal text-jiscBahamaBlue webkit-details-marker-hidden focus:text-jiscBlack focus:no-underline focus:bg-jiscDandelion focus:outline-transparent focus:outline focus:outline-4 focus-not-focus-visible-text-jiscBahamaBlue focus-not-focus-visible-underline focus-not-focus-visible-bg-transparent focus-not-focus-visible-outline-0 focus-not-focus-visible-hover-text-jiscRegalBlue active:text-jiscBlack border-b-jiscAlto border-b-[.0625rem] border-x-0 border-solid "><div class="[&>p]:bg-jiscWhite] px-4 mt-2 mb-6" data-testid="expandable-block-2-expandable-4-content"><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | |"><h4 data-block-key="yg2mc">Service description</h4><p data-block-key="pvda">This is an email abuse protection service to assist electronic mail systems at organisations to determine if they should refuse connections from certain addresses. The system is based on data from reputable sources and provides DNS-style resolution.</p><h4 data-block-key="atjas">Charges</h4><p data-block-key="8tfj8">This service is centrally-funded.</p><h4 data-block-key="6mqiu">Your responsibilities</h4><p data-block-key="5iebl">You are responsible for ensuring that the email system at the organisation is configured to use the service.</p><p data-block-key="felt3">You are also responsible on an ongoing basis for maintaining contact details.</p><h4 data-block-key="4pehb">Security</h4><p data-block-key="2qr41">Please ensure your organisation understands and adheres to the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/security-policy">security policy</a>.</p><h4 data-block-key="3q9tm">Hours of service</h4><p data-block-key="7i2ku">The service is available 24 hours a day, seven days a week, all year.</p><h4 data-block-key="5smc">Target availability</h4><p data-block-key="damtp">The target availability is 99.5% during the hours of service defined above, measured monthly over a 12 month period, excluding service-affecting maintenance.</p><p data-block-key="7d8vl">Service-affecting maintenance is capped at 0.5% and is normally carried out with at least two weeks' notice.</p><h4 data-block-key="11jj1">Fault management</h4><p data-block-key="drdhp">Faults with the service may be reported via the service desk on tel: 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a>.</p><p data-block-key="3tb3t">For full details please visit the <a href="http://web.archive.org/web/20240527102437/https://www.jisc.ac.uk/janet/fault-reporting">fault reporting</a> page.</p><h4 data-block-key="6vpf3">Resilience</h4><p data-block-key="dbqkf">The service comprises multiple servers that automatically take over from one another if a server fails - giving you peace of mind.</p><h4 data-block-key="32ui7">Request for service</h4><p data-block-key="7737b">You can request this service via the service desk on tel 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a></p><h4 data-block-key="13hn0">Service delivery time</h4><p data-block-key="5op5g">The service will be delivered within five business days of receipt of all necessary information.</p><h4 data-block-key="53ak0">Terms and conditions</h4><p data-block-key="clghn">Please ensure your organisation understands and adheres to the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-policies/terms-provision-janet-service">terms and conditions</a></p><h4 data-block-key="6rsc7">Escalation</h4><p data-block-key="6vdsn">If you are experiencing an issue with the service, and wish to escalate the issue within Janet please contact us via the service desk on tel: 0300 300 2212 or via email: <a href="http://web.archive.org/web/20240527102437/mailto:help@jisc.ac.uk">help@jisc.ac.uk</a>.</p><h4 data-block-key="98vpr">Technical section</h4><p data-block-key="7lcfn">This service supports both IPv4 and IPv6.</p><p data-block-key="d0ies">This service takes feeds from the following reputable lists:</p><ol><li data-block-key="2dfe9">Three Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list</li><li data-block-key="aqmu2">The Spamhaus allow list</li><li data-block-key="ahsng">The multi.uribl.com URIBL list</li><li data-block-key="b85hv">The dnswl.org allow list</li></ol><p data-block-key="bu419">For details of how to use this service and for more information on the details of the maintained lists, visit the <a href="http://web.archive.org/web/20240527102437/https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists">allow and deny lists community page</a>.</p></div></div></div></section><div class=" clearfix | prose | antialiased | font-sans | max-w-full | prose-h2:text-[2rem] prose-h2:font-normal prose-h2:leading-[3.0rem] prose-h2:sm:text-[2.25rem] prose-h2:md:text-[2.5rem] prose-h2:md:leading-[3.5rem] | prose-h2:mt-10 prose-h2:mb-6 first:prose-h2:mt-0 last:prose-h2:mb-0 prose-h3:text-[1.5rem] prose-h3:font-medium prose-h3:leading-[2rem] first:prose-h3:mt-0 last:prose-h3:mb-0 prose-h3:mt-10 prose-h3:mb-6 prose-h3:sm:text-[1.75rem] prose-h3:sm:leading-[2.5rem] prose-h3:md:text-[2rem] prose-h3:md:leading-[3rem] | prose-h4:text-[1.25rem] prose-h4:font-normal prose-h4:leading-[2rem] first:prose-h4:mt-0 last:prose-h4:mb-0 prose-h4:mt-10 prose-h4:mb-6 prose-h4:md:text-[1.5rem] prose-h4:md:leading-[2rem] | prose-h5:text-[1rem] prose-h5:font-medium prose-h5:leading-[1.5rem] prose-h5:mt-10 prose-h5:mb-6 first:prose-h5:mt-[unset] last:prose-h5:mb-[unset] prose-h5:md:text-[1.25rem] prose-h5:md:leading-[2rem] prose-h6:text-[1rem] prose-h6:font-semibold prose-h6:leading-[1.5rem] prose-h6:mt-10 prose-h6:mb-6 first:prose-h6:mt-[unset] last:prose-h6:mb-[unset] prose-p:my-6 prose-p:text-[1rem] prose-p:font-normal prose-p:leading-[1.5rem] first:prose-p:mt-[unset] last:prose-p:mb-[unset] empty:first:prose-p:-mt-6 prose-blockquote:my-[unset] prose-blockquote:ml-6 prose-blockquote:text-[1rem] prose-blockquote:not-italic prose-blockquote:font-normal prose-blockquote:leading-[1.5rem] prose-blockquote:border-solid prose-blockquote:border-0 prose-blockquote:border-l-[.0625rem] prose-p:prose-blockquote:py-3 before:prose-p:prose-blockquote:content-[unset] after:prose-p:prose-blockquote:content-[unset] prose-li:text-[1rem] prose-li:font-normal prose-li:leading-[1.5rem] | first:prose-li:mt-2 prose-li:pl-2 | first:prose-ol:mt-0 last:prose-ol:mb-0 prose-ol:my-6 prose-ol:pl-8 prose-ol:leading-[1.5rem] | first:prose-ul:mt-0 last:prose-ul:mb-0 prose-ul:my-6 prose-ul:pl-8 prose-ul:leading-[1.5rem] | prose-table:leading-[1.5rem] | prose-table:mt-[unset] prose-table:mb-[unset] | prose-table:border-collapse | prose-p:prose-td:text-[0.875rem] | prose-p:prose-th:text-[0.875rem] | prose-li:prose-th:text-[0.875rem] | prose-li:prose-td:text-[0.875rem] | prose-td:border-solid prose-td:border-l-[0rem] prose-td:border-r-[0rem] prose-td:border-jiscAlto | prose-td:border-b-[0.0625rem] prose-td:border-t-[0.0625rem] | prose-td:p-4 prose-td:align-middle prose-td:leading-[1.5rem]| prose-th:border-solid prose-th:border-l-[0rem] prose-th:border-r-[0rem] prose-th:border-jiscAlto | prose-th:border-b-[0.0625rem] prose-th:border-t-[0.0625rem] prose-th:border-b-jiscAlto prose-th:border-t-jiscAlto | prose-th:p-4 prose-th:align-middle prose-th:leading-[1.5rem] | prose-th:font-medium | prose-tr:border-b-jiscAlto prose-tr:border-t-jiscAlto | prose-img:block prose-img:max-w-full prose-img:h-auto prose-img:my-6 prose-img:leading-none | prose-a:font-normal prose-a:text-jiscBahamaBlue prose-a:underline | visited:prose-a:text-jiscPurple | focus:prose-a:text-jiscBlack focus:prose-a:bg-jiscDandelion focus:prose-a:outline focus:prose-a:outline-4 focus:prose-a:outline-transparent focus:prose-a:no-underline focus:prose-a:shadow-[0_.25rem_0_0_#fd6,_0_-.25rem_0_0_#fd6] | hover:prose-a:text-jiscRegalBlue | active:prose-a:text-jiscBlack | focus:active:prose-a:underline focus:active:prose-a:bg-transparent focus:active:prose-a:shadow-none | prose-strong:prose-a:text-jiscBahamaBlue | prose-strong:visited:prose-a:text-jiscPurple | prose-strong:focus:prose-a:text-jiscBlack | prose-strong:hover:prose-a:text-jiscRegalBlue | prose-strong:active:prose-a:text-jiscBlack || prose-blockquote:border-l-jiscAlto || marker:text-jiscMineShaft | prose-blockquote:text-jiscDoveGrey | prose-headings:text-jiscMineShaft | prose-li:text-jiscMineShaft | prose-ol:text-jiscMineShaft | prose-p:text-jiscMineShaft | prose-strong:text-jiscMineShaft | prose-table:text-jiscMineShaft | prose-ul:text-jiscMineShaft | | mt-6 |"><h2 id="iso-certification-flt5k" data-block-key="flt5k">ISO certification</h2><p data-block-key="ca5b7">This service is included within the scope of our ISO9001 certificate.</p><p data-block-key="fmjgr"><a href="/web/20240527102437/https://www.jisc.ac.uk/certification/">Read more about International Organisation for Standardisation (ISO) standards and view Jisc certificates</a>.</p><p data-block-key="vgqw1"></p><img alt="ISO 9001-2015 UKAS logo" class="richtext-image left" height="130" src="http://web.archive.org/web/20240527102437im_/https://jisc-ac-uk-static-assets-prod.s3.eu-west-1.amazonaws.com/media/images/iso-9001-2015-ukas-logo_WKlQydF.width-500.jpg" width="200"/><p data-block-key="fv365"></p><p data-block-key="efkft"></p></div></div></div></div></div></article></main><footer aria-labelledby="site-footer" class="jss34"><div class="jss38 jss35 jss39"><div class="MuiContainer-root MuiContainer-maxWidthMd"><div class="MuiGrid-root jss47 MuiGrid-container"><div class="MuiGrid-root jss48 MuiGrid-item MuiGrid-grid-xs-12 MuiGrid-grid-sm-9"><h2 class="MuiTypography-root MuiTypography-srOnly" 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id="__NEXT_DATA__" type="application/json">{"props":{"pageProps":{"path":["allow-and-deny-lists"],"pageData":{"id":321,"meta":{"type":"base.ServicePage","detail_url":"http://web.archive.org/web/20240527102437/http://backend:8000/api/v2/pages/321/","html_url":"http://web.archive.org/web/20240527102437/https://www.jisc.ac.uk/allow-and-deny-lists/","slug":"allow-and-deny-lists","show_in_menus":true,"seo_title":"Allow and deny lists","search_description":"Allow and deny lists identify sources of email abuse, or known 'good' email servers. With a Janet connection you can gain access to and benefit from a number of these leading lists.","first_published_at":"2023-02-13T11:16:17.026295Z","alias_of":null,"parent":{"id":581,"meta":{"type":"base.ProductFamilyPage","detail_url":"http://web.archive.org/web/20240527102437/http://backend:8000/api/v2/pages/581/","html_url":"http://web.archive.org/web/20240527102437/https://www.jisc.ac.uk/cyber-security/"},"title":"Cyber security"}},"title":"Allow and deny lists","categories":[{"id":3,"name":"Cyber security"}],"breadcrumbs":[{"id":1,"name":"Root","url":null},{"id":3,"name":"Jisc","url":"/"},{"id":581,"name":"Cyber security","url":"/cyber-security/"},{"id":321,"name":"Allow and deny lists","url":"/allow-and-deny-lists/"}],"image":null,"image_alt":"","nav_bar_pages":[{"id":321,"path":"/allow-and-deny-lists/","slug":"allow-and-deny-lists","name":"Allow and deny lists","override_nav_menu_name":"","nested_pages":[]},{"id":326,"path":"/ddos-mitigation-services/","slug":"ddos-mitigation-services","name":"DDoS mitigation services","override_nav_menu_name":"","nested_pages":[]},{"id":322,"path":"/critical-services-protection/","slug":"critical-services-protection","name":"Critical services protection","override_nav_menu_name":"","nested_pages":[]},{"id":323,"path":"/cyber-essentials/","slug":"cyber-essentials","name":"Cyber Essentials","override_nav_menu_name":"","nested_pages":[]},{"id":324,"path":"/cyber-security-assessment/","slug":"cyber-security-assessment","name":"Cyber security assessment","override_nav_menu_name":"","nested_pages":[]},{"id":335,"path":"/csirt/","slug":"csirt","name":"CSIRT","override_nav_menu_name":"","nested_pages":[]},{"id":418,"path":"/cyber-threat-intelligence/","slug":"cyber-threat-intelligence","name":"Cyber threat intelligence","override_nav_menu_name":"","nested_pages":[]},{"id":338,"path":"/janet-network-resolver/","slug":"janet-network-resolver","name":"Janet Network resolver","override_nav_menu_name":"","nested_pages":[]},{"id":339,"path":"/network-time/","slug":"network-time","name":"Network time","override_nav_menu_name":"","nested_pages":[]},{"id":419,"path":"/cyber-security-threat-monitoring/","slug":"cyber-security-threat-monitoring","name":"Cyber security threat monitoring","override_nav_menu_name":"","nested_pages":[]},{"id":340,"path":"/penetration-testing/","slug":"penetration-testing","name":"Penetration testing","override_nav_menu_name":"","nested_pages":[]},{"id":344,"path":"/primary-nameserver-service/","slug":"primary-nameserver-service","name":"Primary nameserver service","override_nav_menu_name":"","nested_pages":[]},{"id":348,"path":"/web-filtering-and-monitoring-framework/","slug":"web-filtering-and-monitoring-framework","name":"Web filtering and monitoring framework","override_nav_menu_name":"","nested_pages":[]},{"id":2343,"path":"/it-health-check/","slug":"it-health-check","name":"IT Health Check","override_nav_menu_name":"","nested_pages":[]}],"open_graph_image":null,"open_graph_image_alt":"","page_body":[{"type":"content_block","value":"\u003cp data-block-key=\"6nm4d\"\u003e\u003c/p\u003e\u003cp data-block-key=\"aea7h\"\u003eAccess our聽copies of several leading DNS allow and deny lists聽in order to protect your users from email abuse.\u003c/p\u003e\u003cp data-block-key=\"5brto\"\u003eDeny lists聽will enable you to block \u0026#x27;unwanted\u0026#x27; email, while at the other end of the spectrum, allow lists will allow \u0026#x27;wanted\u0026#x27; email to get through to end-users.\u003c/p\u003e\u003cp data-block-key=\"9h4uo\"\u003eWe currently subscribe to the following:\u003c/p\u003e\u003cul\u003e\u003cli data-block-key=\"6fhk7\"\u003e\u003cstrong\u003eDeny lists\u003c/strong\u003e - Spamhaus Zen\u003c/li\u003e\u003cli data-block-key=\"4542l\"\u003e\u003cstrong\u003eURI list\u003c/strong\u003e聽- URIBL\u003c/li\u003e\u003cli data-block-key=\"aa3ar\"\u003e\u003cstrong\u003eAllow lists\u003c/strong\u003e - Spamhaus SWL and DWL\u003c/li\u003e\u003c/ul\u003e\u003cp data-block-key=\"6v8ov\"\u003eIf you think that one of our聽DNS deny lists聽is affecting the delivery of your email messages then聽visit our聽\u003ca href=\"https://community.jisc.ac.uk/library/janet-services-documentation/what-do-if-your-mail-being-blocked-0\"\u003ecommunity聽page on what to do if your mail is being blocked\u003c/a\u003e.\u003c/p\u003e\u003cp data-block-key=\"9umrc\"\u003e\u003c/p\u003e","id":"50cee78b-e07a-4a2e-ae6a-be9b6c9708b3"},{"type":"content_block","value":"\u003ch2 id=\"key-features-3n5sw\" data-block-key=\"3n5sw\"\u003eKey features\u003c/h2\u003e\u003cul\u003e\u003cli data-block-key=\"61qis\"\u003eComprehensive lists\u003c/li\u003e\u003cli data-block-key=\"7tgn\"\u003eQuick look-ups from Janet mirrors\u003c/li\u003e\u003cli data-block-key=\"22q8t\"\u003eNo paying for separate subscriptions\u003c/li\u003e\u003cli data-block-key=\"95c13\"\u003eRapid identification of unwanted email\u003c/li\u003e\u003cli data-block-key=\"4fdon\"\u003eReduced risk of losing legitimate email\u003c/li\u003e\u003cli data-block-key=\"flkni\"\u003eImpartial advice and tips on use from our experts\u003c/li\u003e\u003cli data-block-key=\"3u1hn\"\u003eInternationally recognised, reliable databases of IP addresses\u003c/li\u003e\u003c/ul\u003e\u003ch2 id=\"get-in-touch-2dirl\" data-block-key=\"2dirl\"\u003eGet in touch\u003c/h2\u003e\u003cp data-block-key=\"fbvrc\"\u003eTo find out more, contact us on聽\u003ca href=\"mailto:service@ja.net\"\u003eservice@ja.net\u003c/a\u003e聽or call聽0300 300 2212.\u003c/p\u003e","id":"8bc8cb0e-1001-48bd-8cf0-76123ac21b77"},{"type":"expandable_content","value":{"expandable_heading_element":"h3","background":"white","custom_background_colour":"","expandables":[{"heading":"Eligibility","content":"\u003cp data-block-key=\"lqtpi\"\u003e\u003c/p\u003e\u003cp data-block-key=\"81atf\"\u003eThis service is freely available to all Janet-connected organisations.\u003c/p\u003e\u003cp data-block-key=\"btkrj\"\u003eUse of this service is subject to adherence to the:\u003c/p\u003e\u003cul\u003e\u003cli data-block-key=\"2efta\"\u003e\u003ca href=\"https://community.jisc.ac.uk/library/network-and-technology-policies/janet-network-connection-policy\"\u003eJanet Network connection policy\u003c/a\u003e\u003c/li\u003e\u003cli data-block-key=\"6m0ev\"\u003e\u003ca href=\"https://community.jisc.ac.uk/library/acceptable-use-policy\"\u003eJanet acceptable use policy\u003c/a\u003e\u003c/li\u003e\u003cli data-block-key=\"fpc1v\"\u003e\u003ca href=\"https://community.jisc.ac.uk/library/janet-policies/security-policy\"\u003eJanet security policy\u003c/a\u003e\u003c/li\u003e\u003c/ul\u003e\u003cp data-block-key=\"citml\"\u003eAccess to the lists are controlled through your organisation\u0026#x27;s IP address. Our \u003ca href=\"https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists\"\u003eallow and deny lists community page\u003c/a\u003e has more detailed information about how the service works.\u003c/p\u003e"},{"heading":"Technical information","content":"\u003cp data-block-key=\"lqtpi\"\u003e\u003c/p\u003e\u003cp data-block-key=\"dh50e\"\u003eThis service supports both IPv4 and IPv6.\u003c/p\u003e\u003cp data-block-key=\"ej80r\"\u003eThis service takes feeds from the following reputable lists:\u003c/p\u003e\u003col\u003e\u003cli data-block-key=\"6aof4\"\u003eThree Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list\u003c/li\u003e\u003cli data-block-key=\"eff3\"\u003eThe Spamhaus allow list\u003c/li\u003e\u003cli data-block-key=\"cjpkt\"\u003eThe multi.uribl.com URIBL list\u003c/li\u003e\u003cli data-block-key=\"a1jrs\"\u003eThe dnswl.org allow list\u003c/li\u003e\u003c/ol\u003e"},{"heading":"DNS list profiles","content":"\u003cp data-block-key=\"lqtpi\"\u003e\u003c/p\u003e\u003ch4 data-block-key=\"ldn1\"\u003eRecommendations\u003c/h4\u003e\u003cp data-block-key=\"dh3q0\"\u003eWe recommend that you use the Spamhaus sender lists in the first phase. In the second stage filter, the URIBL list can help to locate many of the otherwise difficult, remaining unwanted messages.\u003c/p\u003e\u003ch4 data-block-key=\"fqkum\"\u003eDeny lists\u003c/h4\u003e\u003cp data-block-key=\"3np0u\"\u003eDNS deny lists are a well-established technique that identify sources of email abuse as lists of IP address blocks, enabling Janet-connected organisations to quickly and easily reject a high proportion of unwanted email.\u003c/p\u003e\u003ch4 data-block-key=\"5sc51\"\u003eURI lists\u003c/h4\u003e\u003cp data-block-key=\"eb0nl\"\u003eUnlike most deny lists, URIBLs are not lists of message senders but URLs (web addresses, some but not all representing undesirable sites) which have been seen in email messages and have been identified as spam or phishing, or are otherwise malicious.\u003c/p\u003e\u003cp data-block-key=\"41gmh\"\u003eLinks seen in these messages are more stable than the rapidly changing botnet IP addresses used to send the vast majority of them.\u003c/p\u003e\u003ch4 data-block-key=\"3ki6t\"\u003eAllow lists\u003c/h4\u003e\u003cp data-block-key=\"agb3p\"\u003eAllow lists contain all currently known trusted email servers, and are the opposite of deny lists. Email from listed email addresses, domains and/or IP address should generally be allowed through the mail server.\u003c/p\u003e\u003cp data-block-key=\"54t1\"\u003eEmail allow lists are used to reduce the incidence of false positives and to speed up the filtering process, as they are often based on the assumption that most legitimate mail will be from a relatively small and fixed set of senders.\u003c/p\u003e"},{"heading":"Service level description","content":"\u003ch4 data-block-key=\"yg2mc\"\u003eService description\u003c/h4\u003e\u003cp data-block-key=\"pvda\"\u003eThis is an email abuse protection service to assist electronic mail systems at organisations to determine if they should refuse connections from certain addresses. The system is based on data from reputable sources and provides DNS-style resolution.\u003c/p\u003e\u003ch4 data-block-key=\"atjas\"\u003eCharges\u003c/h4\u003e\u003cp data-block-key=\"8tfj8\"\u003eThis service is centrally-funded.\u003c/p\u003e\u003ch4 data-block-key=\"6mqiu\"\u003eYour responsibilities\u003c/h4\u003e\u003cp data-block-key=\"5iebl\"\u003eYou are responsible for ensuring that the email system at the organisation is configured to use the service.\u003c/p\u003e\u003cp data-block-key=\"felt3\"\u003eYou are also responsible on an ongoing basis for maintaining contact details.\u003c/p\u003e\u003ch4 data-block-key=\"4pehb\"\u003eSecurity\u003c/h4\u003e\u003cp data-block-key=\"2qr41\"\u003ePlease ensure your organisation understands and adheres to the \u003ca href=\"https://community.jisc.ac.uk/library/janet-policies/security-policy\"\u003esecurity policy\u003c/a\u003e.\u003c/p\u003e\u003ch4 data-block-key=\"3q9tm\"\u003eHours of service\u003c/h4\u003e\u003cp data-block-key=\"7i2ku\"\u003eThe service is available 24 hours a day, seven days a week, all year.\u003c/p\u003e\u003ch4 data-block-key=\"5smc\"\u003eTarget availability\u003c/h4\u003e\u003cp data-block-key=\"damtp\"\u003eThe target availability is 99.5% during the hours of service defined above, measured monthly over a 12 month period, excluding service-affecting maintenance.\u003c/p\u003e\u003cp data-block-key=\"7d8vl\"\u003eService-affecting maintenance is capped at 0.5% and is normally carried out with at least two weeks\u0026#x27; notice.\u003c/p\u003e\u003ch4 data-block-key=\"11jj1\"\u003eFault management\u003c/h4\u003e\u003cp data-block-key=\"drdhp\"\u003eFaults with the service may be reported via the service desk on tel: 0300 300 2212 or via email: \u003ca href=\"mailto:help@jisc.ac.uk\"\u003ehelp@jisc.ac.uk\u003c/a\u003e.\u003c/p\u003e\u003cp data-block-key=\"3tb3t\"\u003eFor full details please visit the \u003ca href=\"https://www.jisc.ac.uk/janet/fault-reporting\"\u003efault reporting\u003c/a\u003e page.\u003c/p\u003e\u003ch4 data-block-key=\"6vpf3\"\u003eResilience\u003c/h4\u003e\u003cp data-block-key=\"dbqkf\"\u003eThe service comprises multiple servers that automatically take over from one another if a server fails - giving you peace of mind.\u003c/p\u003e\u003ch4 data-block-key=\"32ui7\"\u003eRequest for service\u003c/h4\u003e\u003cp data-block-key=\"7737b\"\u003eYou can request this service via the service desk on tel 0300 300 2212 or via email: \u003ca href=\"mailto:help@jisc.ac.uk\"\u003ehelp@jisc.ac.uk\u003c/a\u003e\u003c/p\u003e\u003ch4 data-block-key=\"13hn0\"\u003eService delivery time\u003c/h4\u003e\u003cp data-block-key=\"5op5g\"\u003eThe service will be delivered within five business days of receipt of all necessary information.\u003c/p\u003e\u003ch4 data-block-key=\"53ak0\"\u003eTerms and conditions\u003c/h4\u003e\u003cp data-block-key=\"clghn\"\u003ePlease ensure your organisation understands and adheres to the \u003ca href=\"https://community.jisc.ac.uk/library/janet-policies/terms-provision-janet-service\"\u003eterms and conditions\u003c/a\u003e\u003c/p\u003e\u003ch4 data-block-key=\"6rsc7\"\u003eEscalation\u003c/h4\u003e\u003cp data-block-key=\"6vdsn\"\u003eIf you are experiencing an issue with the service, and wish to escalate the issue within Janet please contact us via the service desk on tel: 0300 300 2212 or via email: \u003ca href=\"mailto:help@jisc.ac.uk\"\u003ehelp@jisc.ac.uk\u003c/a\u003e.\u003c/p\u003e\u003ch4 data-block-key=\"98vpr\"\u003eTechnical section\u003c/h4\u003e\u003cp data-block-key=\"7lcfn\"\u003eThis service supports both IPv4 and IPv6.\u003c/p\u003e\u003cp data-block-key=\"d0ies\"\u003eThis service takes feeds from the following reputable lists:\u003c/p\u003e\u003col\u003e\u003cli data-block-key=\"2dfe9\"\u003eThree Spamhaus lists (SBL, XBL and PBL) plus these lists joined together as a Zen list\u003c/li\u003e\u003cli data-block-key=\"aqmu2\"\u003eThe Spamhaus allow list\u003c/li\u003e\u003cli data-block-key=\"ahsng\"\u003eThe multi.uribl.com URIBL list\u003c/li\u003e\u003cli data-block-key=\"b85hv\"\u003eThe dnswl.org allow list\u003c/li\u003e\u003c/ol\u003e\u003cp data-block-key=\"bu419\"\u003eFor details of how to use this service and for more information on the details of the maintained lists, visit the \u003ca href=\"https://community.jisc.ac.uk/library/janet-services-documentation/dns-allow-and-deny-lists\"\u003eallow and deny lists community page\u003c/a\u003e.\u003c/p\u003e"}]},"id":"60513dbd-c3a5-40f9-ada6-d27d9bb71606"},{"type":"content_block","value":"\u003ch2 id=\"iso-certification-flt5k\" data-block-key=\"flt5k\"\u003eISO certification\u003c/h2\u003e\u003cp data-block-key=\"ca5b7\"\u003eThis service is included within the scope of our ISO9001 certificate.\u003c/p\u003e\u003cp data-block-key=\"fmjgr\"\u003e\u003ca href=\"/certification/\"\u003eRead more about International Organisation for Standardisation (ISO) standards and view Jisc certificates\u003c/a\u003e.\u003c/p\u003e\u003cp data-block-key=\"vgqw1\"\u003e\u003c/p\u003e\u003cimg alt=\"ISO 9001-2015 UKAS logo\" class=\"richtext-image left\" height=\"130\" src=\"https://jisc-ac-uk-static-assets-prod.s3.eu-west-1.amazonaws.com/media/images/iso-9001-2015-ukas-logo_WKlQydF.width-500.jpg\" width=\"200\"\u003e\u003cp data-block-key=\"fv365\"\u003e\u003c/p\u003e\u003cp data-block-key=\"efkft\"\u003e\u003c/p\u003e","id":"a2628338-1185-4b4a-b856-291b6c7eb1bd"}],"primary_call_to_action_text":"0300 300 2212","primary_call_to_action_url":"tel:03003002212","secondary_calls_to_action":[{"type":"secondary_call_to_action","value":{"text":"securityservices@jisc.ac.uk","url":"mailto:securityservices@jisc.ac.uk","icon_name":"envelope","icon_style":"solid"},"id":"2e9eea7e-60d1-477b-9fe6-48857ad20459"}],"summary":"Allow and deny lists identify sources of email abuse, or known 'good' email servers. With a Janet connection you can gain access to and benefit from a number of these leading lists.","redirect_url":""}},"__N_SSP":true},"page":"/[...path]","query":{"path":["allow-and-deny-lists"]},"buildId":"mb5Nk_TvHMtErTkr430dN","isFallback":false,"isExperimentalCompile":false,"gssp":true,"scriptLoader":[]}</script></body></html>