CINXE.COM
February 2016 – dmarc.org
<!DOCTYPE html> <html lang="en-US"> <head> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale = 1.0, user-scalable=0" /> <link rel="profile" href="http://gmpg.org/xfn/11" /> <link rel="pingback" href="https://dmarc.org/xmlrpc.php" /> <title>February 2016 – dmarc.org</title> <meta name='robots' content='max-image-preview:large' /> <link rel='dns-prefetch' href='//www.googletagmanager.com' /> <link rel='dns-prefetch' href='//fonts.googleapis.com' /> <link rel="alternate" type="application/rss+xml" title="dmarc.org » Feed" href="https://dmarc.org/feed/" /> <link rel="alternate" type="application/rss+xml" title="dmarc.org » Comments Feed" href="https://dmarc.org/comments/feed/" /> <script type="text/javascript"> /* <![CDATA[ */ window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/15.0.3\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/15.0.3\/svg\/","svgExt":".svg","source":{"concatemoji":"https:\/\/dmarc.org\/wp-includes\/js\/wp-emoji-release.min.js?ver=690c00815d284bc3881eccce686c00c8"}}; /*! This file is auto-generated */ !function(i,n){var o,s,e;function c(e){try{var t={supportTests:e,timestamp:(new Date).valueOf()};sessionStorage.setItem(o,JSON.stringify(t))}catch(e){}}function p(e,t,n){e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(t,0,0);var t=new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data),r=(e.clearRect(0,0,e.canvas.width,e.canvas.height),e.fillText(n,0,0),new Uint32Array(e.getImageData(0,0,e.canvas.width,e.canvas.height).data));return t.every(function(e,t){return e===r[t]})}function u(e,t,n){switch(t){case"flag":return n(e,"\ud83c\udff3\ufe0f\u200d\u26a7\ufe0f","\ud83c\udff3\ufe0f\u200b\u26a7\ufe0f")?!1:!n(e,"\ud83c\uddfa\ud83c\uddf3","\ud83c\uddfa\u200b\ud83c\uddf3")&&!n(e,"\ud83c\udff4\udb40\udc67\udb40\udc62\udb40\udc65\udb40\udc6e\udb40\udc67\udb40\udc7f","\ud83c\udff4\u200b\udb40\udc67\u200b\udb40\udc62\u200b\udb40\udc65\u200b\udb40\udc6e\u200b\udb40\udc67\u200b\udb40\udc7f");case"emoji":return!n(e,"\ud83d\udc26\u200d\u2b1b","\ud83d\udc26\u200b\u2b1b")}return!1}function f(e,t,n){var r="undefined"!=typeof WorkerGlobalScope&&self instanceof WorkerGlobalScope?new OffscreenCanvas(300,150):i.createElement("canvas"),a=r.getContext("2d",{willReadFrequently:!0}),o=(a.textBaseline="top",a.font="600 32px Arial",{});return e.forEach(function(e){o[e]=t(a,e,n)}),o}function t(e){var t=i.createElement("script");t.src=e,t.defer=!0,i.head.appendChild(t)}"undefined"!=typeof Promise&&(o="wpEmojiSettingsSupports",s=["flag","emoji"],n.supports={everything:!0,everythingExceptFlag:!0},e=new Promise(function(e){i.addEventListener("DOMContentLoaded",e,{once:!0})}),new Promise(function(t){var n=function(){try{var e=JSON.parse(sessionStorage.getItem(o));if("object"==typeof e&&"number"==typeof e.timestamp&&(new Date).valueOf()<e.timestamp+604800&&"object"==typeof e.supportTests)return e.supportTests}catch(e){}return null}();if(!n){if("undefined"!=typeof Worker&&"undefined"!=typeof OffscreenCanvas&&"undefined"!=typeof URL&&URL.createObjectURL&&"undefined"!=typeof Blob)try{var e="postMessage("+f.toString()+"("+[JSON.stringify(s),u.toString(),p.toString()].join(",")+"));",r=new Blob([e],{type:"text/javascript"}),a=new Worker(URL.createObjectURL(r),{name:"wpTestEmojiSupports"});return void(a.onmessage=function(e){c(n=e.data),a.terminate(),t(n)})}catch(e){}c(n=f(s,u,p))}t(n)}).then(function(e){for(var t in e)n.supports[t]=e[t],n.supports.everything=n.supports.everything&&n.supports[t],"flag"!==t&&(n.supports.everythingExceptFlag=n.supports.everythingExceptFlag&&n.supports[t]);n.supports.everythingExceptFlag=n.supports.everythingExceptFlag&&!n.supports.flag,n.DOMReady=!1,n.readyCallback=function(){n.DOMReady=!0}}).then(function(){return e}).then(function(){var e;n.supports.everything||(n.readyCallback(),(e=n.source||{}).concatemoji?t(e.concatemoji):e.wpemoji&&e.twemoji&&(t(e.twemoji),t(e.wpemoji)))}))}((window,document),window._wpemojiSettings); /* ]]> */ </script> <style id='wp-emoji-styles-inline-css' type='text/css'> img.wp-smiley, img.emoji { display: inline !important; border: none !important; box-shadow: none !important; height: 1em !important; width: 1em !important; margin: 0 0.07em !important; vertical-align: -0.1em !important; background: none !important; padding: 0 !important; } </style> <link rel='stylesheet' id='wp-block-library-css' href='https://dmarc.org/wp-includes/css/dist/block-library/style.min.css?ver=690c00815d284bc3881eccce686c00c8' type='text/css' media='all' /> <style id='classic-theme-styles-inline-css' type='text/css'> /*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} </style> <style id='global-styles-inline-css' type='text/css'> body{--wp--preset--color--black: #000000;--wp--preset--color--cyan-bluish-gray: #abb8c3;--wp--preset--color--white: #ffffff;--wp--preset--color--pale-pink: #f78da7;--wp--preset--color--vivid-red: #cf2e2e;--wp--preset--color--luminous-vivid-orange: #ff6900;--wp--preset--color--luminous-vivid-amber: #fcb900;--wp--preset--color--light-green-cyan: #7bdcb5;--wp--preset--color--vivid-green-cyan: #00d084;--wp--preset--color--pale-cyan-blue: #8ed1fc;--wp--preset--color--vivid-cyan-blue: #0693e3;--wp--preset--color--vivid-purple: #9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple: linear-gradient(135deg,rgba(6,147,227,1) 0%,rgb(155,81,224) 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan: linear-gradient(135deg,rgb(122,220,180) 0%,rgb(0,208,130) 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange: linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red: linear-gradient(135deg,rgba(255,105,0,1) 0%,rgb(207,46,46) 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray: linear-gradient(135deg,rgb(238,238,238) 0%,rgb(169,184,195) 100%);--wp--preset--gradient--cool-to-warm-spectrum: linear-gradient(135deg,rgb(74,234,220) 0%,rgb(151,120,209) 20%,rgb(207,42,186) 40%,rgb(238,44,130) 60%,rgb(251,105,98) 80%,rgb(254,248,76) 100%);--wp--preset--gradient--blush-light-purple: linear-gradient(135deg,rgb(255,206,236) 0%,rgb(152,150,240) 100%);--wp--preset--gradient--blush-bordeaux: linear-gradient(135deg,rgb(254,205,165) 0%,rgb(254,45,45) 50%,rgb(107,0,62) 100%);--wp--preset--gradient--luminous-dusk: linear-gradient(135deg,rgb(255,203,112) 0%,rgb(199,81,192) 50%,rgb(65,88,208) 100%);--wp--preset--gradient--pale-ocean: linear-gradient(135deg,rgb(255,245,203) 0%,rgb(182,227,212) 50%,rgb(51,167,181) 100%);--wp--preset--gradient--electric-grass: linear-gradient(135deg,rgb(202,248,128) 0%,rgb(113,206,126) 100%);--wp--preset--gradient--midnight: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(40,116,252) 100%);--wp--preset--font-size--small: 13px;--wp--preset--font-size--medium: 20px;--wp--preset--font-size--large: 36px;--wp--preset--font-size--x-large: 42px;--wp--preset--spacing--20: 0.44rem;--wp--preset--spacing--30: 0.67rem;--wp--preset--spacing--40: 1rem;--wp--preset--spacing--50: 1.5rem;--wp--preset--spacing--60: 2.25rem;--wp--preset--spacing--70: 3.38rem;--wp--preset--spacing--80: 5.06rem;--wp--preset--shadow--natural: 6px 6px 9px rgba(0, 0, 0, 0.2);--wp--preset--shadow--deep: 12px 12px 50px rgba(0, 0, 0, 0.4);--wp--preset--shadow--sharp: 6px 6px 0px rgba(0, 0, 0, 0.2);--wp--preset--shadow--outlined: 6px 6px 0px -3px rgba(255, 255, 255, 1), 6px 6px rgba(0, 0, 0, 1);--wp--preset--shadow--crisp: 6px 6px 0px rgba(0, 0, 0, 1);}:where(.is-layout-flex){gap: 0.5em;}:where(.is-layout-grid){gap: 0.5em;}body .is-layout-flex{display: flex;}body .is-layout-flex{flex-wrap: wrap;align-items: center;}body .is-layout-flex > *{margin: 0;}body .is-layout-grid{display: grid;}body .is-layout-grid > *{margin: 0;}:where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;}:where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;}.has-black-color{color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color: var(--wp--preset--color--white) !important;}.has-pale-pink-color{color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color: var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color: var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color: var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color: var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color: var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color: var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color: var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color: var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color: var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color: var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color: var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color: var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color: var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color: var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color: var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background: var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background: var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background: var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background: var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background: var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background: var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background: var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background: var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background: var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background: var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background: var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size: var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size: var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size: var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size: var(--wp--preset--font-size--x-large) !important;} .wp-block-navigation a:where(:not(.wp-element-button)){color: inherit;} :where(.wp-block-post-template.is-layout-flex){gap: 1.25em;}:where(.wp-block-post-template.is-layout-grid){gap: 1.25em;} :where(.wp-block-columns.is-layout-flex){gap: 2em;}:where(.wp-block-columns.is-layout-grid){gap: 2em;} .wp-block-pullquote{font-size: 1.5em;line-height: 1.6;} </style> <link rel='stylesheet' id='contact-form-7-css' href='https://dmarc.org/wp-content/plugins/contact-form-7/includes/css/styles.css?ver=5.7.7' type='text/css' media='all' /> <link rel='stylesheet' id='albar-google-font-body-css' href='//fonts.googleapis.com/css?family=Open+Sans%3A400%2C300%2C300italic%2C400italic%2C600%2C600italic%2C700%2C700italic&ver=10.1.1' type='text/css' media='all' /> <link rel='stylesheet' id='albar-google-font-heading-css' href='//fonts.googleapis.com/css?family=Roboto%3A400%2C300%2C300italic%2C400italic%2C500%2C500italic%2C700%2C700italic&ver=10.1.1' type='text/css' media='all' /> <link rel='stylesheet' id='albar-fontawesome-css' href='https://dmarc.org/wp-content/themes/albar/includes/font-awesome/css/font-awesome.css?ver=4.0.3' type='text/css' media='all' /> <link rel='stylesheet' id='albar-style-css' href='https://dmarc.org/wp-content/themes/albar/style.css?ver=10.1.1' type='text/css' media='all' /> <script type="text/javascript" src="https://dmarc.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1" id="jquery-core-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1" id="jquery-migrate-js"></script> <!-- Google tag (gtag.js) snippet added by Site Kit --> <!-- Google Analytics snippet added by Site Kit --> <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=GT-KVJKXZ9" id="google_gtagjs-js" async></script> <script type="text/javascript" id="google_gtagjs-js-after"> /* <![CDATA[ */ window.dataLayer = window.dataLayer || [];function gtag(){dataLayer.push(arguments);} gtag("set","linker",{"domains":["dmarc.org"]}); gtag("js", new Date()); gtag("set", "developer_id.dZTNiMT", true); gtag("config", "GT-KVJKXZ9"); /* ]]> */ </script> <!-- End Google tag (gtag.js) snippet added by Site Kit --> <link rel="https://api.w.org/" href="https://dmarc.org/wp-json/" /><link rel="EditURI" type="application/rsd+xml" title="RSD" href="https://dmarc.org/xmlrpc.php?rsd" /> <meta name="generator" content="Site Kit by Google 1.124.0" /><style type="text/css" id="custom-background-css"> body.custom-background { background-color: #006699; } </style> <style type="text/css" media="screen"> body, .page-header h1, .alba-banner-heading h5, .alba-carousel-block, .alba-heading-text { color: #000000; font-family: 'Open Sans', sans-serif; } h1, h2, h3, h4, h5, h6, h1 a, h2 a, h3 a, h4 a, h5 a, h6 a { color: #006699; font-family: 'Roboto', sans-serif; } .alba-button, .post .alba-blog-permalink-btn, .search article.page .alba-blog-permalink-btn, .wpcf7-submit, #alba-home-slider-prev, #alba-home-slider-next, .alba-carousel-arrow-prev, .alba-carousel-arrow-next { background-color: #006699; } .site-header-one .site-title a, .site-header-two .site-title a, .site-header-one .site-top-bar i, .site-header-two .site-social i, .navigation-main li:hover > a, li.current_page_item > a, li.current_page_ancestor > a, .page-header .cx-breadcrumbs a, .sidebar-navigation-left .current_page_item, .sidebar-navigation-right .current_page_item, .entry-content a, .alba-blog-standard-block a, .widget ul li a, #comments .logged-in-as a, .alba-heading i, .alba-heading b, .alba-banner-heading h3 b { color: #006699; } .navigation-main li.current_page_item, .navigation-main li.current_page_ancestor { border-bottom: 2px solid #006699; } .navigation-main ul ul { border-top: 2px solid #006699; } .alba-button:hover, .wpcf7-submit:hover, .post .alba-blog-permalink-btn:hover, .search article.page .alba-blog-permalink-btn:hover, #alba-home-slider-prev:hover, #alba-home-slider-next:hover, .alba-carousel-arrow-prev:hover, .alba-carousel-arrow-next:hover { background-color: #3e578b; } .entry-content a:hover, h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover, h6 a:hover, .alba-blog-standard-block a:hover, #comments .logged-in-as a:hover, .widget .tagcloud a:hover, .sidebar-navigation ul li a:hover, .cx-breadcrumbs a:hover, .widget ul li a:hover { color: #3e578b; } .sidebar-navigation-left .current_page_item { box-shadow: 3px 0 0 #006699 inset; } .sidebar-navigation-right .current_page_item { box-shadow: -3px 0 0 #006699 inset; } </style> </head> <body class="archive date custom-background group-blog"> <div class="site-boxed"> <header id="masthead" class="site-header site-header-two bg-left" role="banner"> <div class="site-top-bar site-pad"> <div class="site-container"> <div class="site-top-bar-left"> </div> <div class="site-top-bar-right"> </div> <div class="clearboth"></div> </div> </div> <div class="header-bar site-pad"> <div class="site-container"> <div class="header-bar-inner"> <div class="site-branding"> <a href="https://dmarc.org/" title="dmarc.org" rel="home"><img src="https://dmarc.org/wp-content/uploads/2015/02/DMARC-2015-logo-small-202x110.png" alt="dmarc.org" /></a> </div> <div class="site-header-right"> <div class="site-social"> </div> <nav id="site-navigation" class="navigation-main" role="navigation"> <h1 class="menu-toggle">Menu</h1> <div class="menu-main-menu-container"><ul id="menu-main-menu" class="menu"><li id="menu-item-86" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-home menu-item-86"><a href="https://dmarc.org/">Home</a></li> <li id="menu-item-84" class="menu-item menu-item-type-post_type menu-item-object-page current_page_parent menu-item-84"><a href="https://dmarc.org/blog/">Blog</a></li> <li id="menu-item-85" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-85"><a href="https://dmarc.org/resources/">Resources</a> <ul class="sub-menu"> <li id="menu-item-97" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-97"><a href="https://dmarc.org/resources/articles-tutorials-and-videos/">Articles, Tutorials and Videos</a></li> <li id="menu-item-95" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-95"><a href="https://dmarc.org/resources/code-and-libraries/">Code and Libraries</a></li> <li id="menu-item-96" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-96"><a href="https://dmarc.org/resources/deployment-tools/">Deployment Tools</a></li> <li id="menu-item-373" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children menu-item-373"><a href="https://dmarc.org/wiki/FAQ">FAQ</a> <ul class="sub-menu"> <li id="menu-item-374" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-374"><a href="https://dmarc.org/wiki/FAQ#general-questions">General Questions</a></li> <li id="menu-item-375" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-375"><a href="https://dmarc.org/wiki/FAQ#end-users">End User Questions</a></li> <li id="menu-item-376" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-376"><a href="https://dmarc.org/wiki/FAQ#receivers">Receiver Questions</a></li> <li id="menu-item-377" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-377"><a href="https://dmarc.org/wiki/FAQ#senders">Sender Questions</a></li> </ul> </li> <li id="menu-item-88" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-88"><a href="https://dmarc.org/overview/">Overview</a> <ul class="sub-menu"> <li id="menu-item-564" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-564"><a href="https://dmarc.org/who-is-using-dmarc/">Who Is Using DMARC?</a></li> </ul> </li> <li id="menu-item-94" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-94"><a href="https://dmarc.org/resources/products-and-services/">Products and Services</a></li> <li id="menu-item-98" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-98"><a href="https://dmarc.org/resources/specification/">Specifications</a></li> </ul> </li> <li id="menu-item-729" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-729"><a href="https://dmarc.org/stats/">Statistics</a> <ul class="sub-menu"> <li id="menu-item-1250" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1250"><a href="https://dmarc.org/stats/bimi/">Statistics – BIMI</a></li> <li id="menu-item-1249" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1249"><a href="https://dmarc.org/stats/dkim/">Statistics – DKIM</a></li> <li id="menu-item-1228" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1228"><a href="https://dmarc.org/stats/dmarc/">Statistics – DMARC</a></li> <li id="menu-item-731" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-731"><a href="https://dmarc.org/stats/alexa-top-sites/">Alexa Top Web Sites (2015-2017)</a></li> </ul> </li> <li id="menu-item-90" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children menu-item-90"><a href="https://dmarc.org/about/">About</a> <ul class="sub-menu"> <li id="menu-item-287" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-287"><a href="https://dmarc.org/about/sponsors/">Sponsors and Supporters</a></li> <li id="menu-item-293" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-293"><a href="https://dmarc.org/about/leadership/">Leadership</a></li> <li id="menu-item-286" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-286"><a href="https://dmarc.org/about/history/">History</a></li> </ul> </li> <li id="menu-item-89" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-89"><a href="https://dmarc.org/participate/">Participate</a></li> </ul></div> </nav><!-- #site-navigation --> </div> <div class="clearboth"></div> </div> <div class="search-block"> <form role="search" method="get" class="search-form" action="https://dmarc.org/"> <label> <input type="search" class="search-field" placeholder="Search…" value="" name="s" title="Search for:" /> </label> <input type="submit" class="search-submit" value=" " /> </form> </div> </div> </div> <div class="clearboth"></div> </header><!-- #masthead --> <div class="page-header"> <div class="site-container"> <h1> Month: <span>February 2016</span> </h1> <div class="cx-breadcrumbs"> </div> </div> </div> <div class="site-body site-pad"> <div class="site-container"> <div id="primary" class="content-area"> <article id="post-568" class="alba-blog-standard-block post-568 post type-post status-publish format-standard hentry category-blog tag-dmarc tag-email-authentication tag-mailbox-providers tag-receivers tag-senders"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/02/how-can-i-tell-who-is-using-dmarc/" rel="bookmark">How Can I Tell Who is Using DMARC?</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/02/how-can-i-tell-who-is-using-dmarc/" title="1:23 pm" rel="bookmark"><time class="entry-date published" datetime="2016-02-25T13:23:07-08:00">February 25, 2016</time><time class="updated" datetime="2016-02-25T20:00:14-08:00">February 25, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> <span class="comments-link"><i class="fa fa-comments"></i> <a href="https://dmarc.org/2016/02/how-can-i-tell-who-is-using-dmarc/#comments">1 Comment</a></span> </div> </header> <div class="entry-content"> <p>Often when people first hear about DMARC, their immediate reaction is, “That’s great! Who’s using it?” That’s a good question, because DMARC can only prevent fraudulent email from reaching inboxes when both senders and receivers have implemented it. Checking Senders For convenience, we’ve collected a sample of notable organizations or domains that have published DMARC […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/email-authentication/" rel="tag">email authentication</a>, <a href="https://dmarc.org/tag/mailbox-providers/" rel="tag">mailbox providers</a>, <a href="https://dmarc.org/tag/receivers/" rel="tag">receivers</a>, <a href="https://dmarc.org/tag/senders/" rel="tag">senders</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/02/how-can-i-tell-who-is-using-dmarc/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> <article id="post-555" class="alba-blog-standard-block post-555 post type-post status-publish format-standard hentry category-blog category-press tag-b2b tag-data-breach tag-dmarc tag-phishing tag-spear-phishing"> <div class="alba-blog-standard-block-content alba-blog-standard-no-images"> <header class="entry-header"> <h3 class="entry-title"><a href="https://dmarc.org/2016/02/as-email-fraud-diversifies-dmarc-protects-employees-and-consumers/" rel="bookmark">As Email Fraud Diversifies, DMARC Protects Employees and Consumers</a></h3> <div class="entry-meta"> <i class="fa fa-calendar"></i> <a href="https://dmarc.org/2016/02/as-email-fraud-diversifies-dmarc-protects-employees-and-consumers/" title="5:00 am" rel="bookmark"><time class="entry-date published" datetime="2016-02-16T05:00:30-08:00">February 16, 2016</time><time class="updated" datetime="2016-02-25T20:02:44-08:00">February 25, 2016</time></a><span class="byline"><span class="author vcard"> <i class="fa fa-user"></i> <a class="url fn n" href="https://dmarc.org/author/smj/" title="View all posts by Steve Jones" rel="author">Steve Jones</a></span></span> </div> </header> <div class="entry-content"> <p>Berkeley, California – February 16, 2016 – As DMARC enters its fifth year as an open standard, leading organizations increasingly rely on Domain-based Authentication, Reporting & Conformance (DMARC) to protect their customers from email fraud that impersonates their domains. In 2016, DMARC.org will continue to promote increased use of email authentication to protect consumers, and advocate the […]</p> </div> <footer class="alba-blog-standard-post-footer"> <div class="alba-blog-standard-post-footer-left"> <span class="cat-links"> <i class="fa fa-list"></i> Posted in <a href="https://dmarc.org/category/blog/" rel="category tag">Blog</a>, <a href="https://dmarc.org/category/press/" rel="category tag">Press Releases</a> </span> <span class="tags-links"> <i class="fa fa-tags"></i> Tags <a href="https://dmarc.org/tag/b2b/" rel="tag">B2B</a>, <a href="https://dmarc.org/tag/data-breach/" rel="tag">data breach</a>, <a href="https://dmarc.org/tag/dmarc/" rel="tag">DMARC</a>, <a href="https://dmarc.org/tag/phishing/" rel="tag">phishing</a>, <a href="https://dmarc.org/tag/spear-phishing/" rel="tag">spear phishing</a> </span> </div> <div class="alba-blog-standard-post-footer-right"> <a href="https://dmarc.org/2016/02/as-email-fraud-diversifies-dmarc-protects-employees-and-consumers/" class="alba-blog-permalink-btn">Read More</a> </div> <div class="clearboth"></div> </footer> </div> <div class="clearboth"></div> </article> </div><!-- #primary --> <div id="secondary" class="widget-area" role="complementary"> <aside id="search-2" class="widget widget_search"><form role="search" method="get" class="search-form" action="https://dmarc.org/"> <label> <input type="search" class="search-field" placeholder="Search…" value="" name="s" title="Search for:" /> </label> <input type="submit" class="search-submit" value=" " /> </form></aside> <aside id="recent-posts-2" class="widget widget_recent_entries"> <h1 class="widget-title">Recent Posts</h1> <ul> <li> <a href="https://dmarc.org/2024/10/dmarc-org-at-sixth-jpaawg-general-meeting/">DMARC.org at Sixth JPAAWG General Meeting</a> </li> <li> <a href="https://dmarc.org/2023/05/m3aawg-calls-for-coalition-to-support-public-suffix-list/">M3AAWG Calls for Coalition to Support Public Suffix List</a> </li> <li> <a href="https://dmarc.org/2023/02/microsoft-allows-365-admins-to-accept-arc-forwarders/">Microsoft Allows 365 Admins To Accept ARC Forwarders</a> </li> <li> <a href="https://dmarc.org/2022/12/dmarc-org-at-fifth-jpaawg-general-meeting/">DMARC.org at Fifth JPAAWG General Meeting</a> </li> <li> <a href="https://dmarc.org/2022/03/dmarc-policies-up-84-for-2021/">DMARC Policies Up 84% for 2021</a> </li> </ul> </aside><aside id="archives-2" class="widget widget_archive"><h1 class="widget-title">Archives</h1> <ul> <li><a href='https://dmarc.org/2024/10/'>October 2024</a></li> <li><a href='https://dmarc.org/2023/05/'>May 2023</a></li> <li><a href='https://dmarc.org/2023/02/'>February 2023</a></li> <li><a href='https://dmarc.org/2022/12/'>December 2022</a></li> <li><a href='https://dmarc.org/2022/03/'>March 2022</a></li> <li><a href='https://dmarc.org/2022/02/'>February 2022</a></li> <li><a href='https://dmarc.org/2022/01/'>January 2022</a></li> <li><a href='https://dmarc.org/2021/10/'>October 2021</a></li> <li><a href='https://dmarc.org/2021/02/'>February 2021</a></li> <li><a href='https://dmarc.org/2021/01/'>January 2021</a></li> <li><a href='https://dmarc.org/2020/11/'>November 2020</a></li> <li><a href='https://dmarc.org/2020/02/'>February 2020</a></li> <li><a href='https://dmarc.org/2019/12/'>December 2019</a></li> <li><a href='https://dmarc.org/2019/07/'>July 2019</a></li> <li><a href='https://dmarc.org/2019/02/'>February 2019</a></li> <li><a href='https://dmarc.org/2018/11/'>November 2018</a></li> <li><a href='https://dmarc.org/2018/10/'>October 2018</a></li> <li><a href='https://dmarc.org/2018/09/'>September 2018</a></li> <li><a href='https://dmarc.org/2018/02/'>February 2018</a></li> <li><a href='https://dmarc.org/2017/12/'>December 2017</a></li> <li><a href='https://dmarc.org/2017/11/'>November 2017</a></li> <li><a href='https://dmarc.org/2017/09/'>September 2017</a></li> <li><a href='https://dmarc.org/2017/07/'>July 2017</a></li> <li><a href='https://dmarc.org/2017/06/'>June 2017</a></li> <li><a href='https://dmarc.org/2017/03/'>March 2017</a></li> <li><a href='https://dmarc.org/2016/12/'>December 2016</a></li> <li><a href='https://dmarc.org/2016/11/'>November 2016</a></li> <li><a href='https://dmarc.org/2016/10/'>October 2016</a></li> <li><a href='https://dmarc.org/2016/08/'>August 2016</a></li> <li><a href='https://dmarc.org/2016/07/'>July 2016</a></li> <li><a href='https://dmarc.org/2016/06/'>June 2016</a></li> <li><a href='https://dmarc.org/2016/05/'>May 2016</a></li> <li><a href='https://dmarc.org/2016/03/'>March 2016</a></li> <li><a href='https://dmarc.org/2016/02/' aria-current="page">February 2016</a></li> <li><a href='https://dmarc.org/2016/01/'>January 2016</a></li> <li><a href='https://dmarc.org/2015/12/'>December 2015</a></li> <li><a href='https://dmarc.org/2015/11/'>November 2015</a></li> <li><a href='https://dmarc.org/2015/10/'>October 2015</a></li> <li><a href='https://dmarc.org/2015/09/'>September 2015</a></li> <li><a href='https://dmarc.org/2015/08/'>August 2015</a></li> <li><a href='https://dmarc.org/2015/07/'>July 2015</a></li> <li><a href='https://dmarc.org/2015/06/'>June 2015</a></li> <li><a href='https://dmarc.org/2015/04/'>April 2015</a></li> <li><a href='https://dmarc.org/2015/03/'>March 2015</a></li> <li><a href='https://dmarc.org/2015/02/'>February 2015</a></li> <li><a href='https://dmarc.org/2015/01/'>January 2015</a></li> <li><a href='https://dmarc.org/2014/12/'>December 2014</a></li> <li><a href='https://dmarc.org/2014/02/'>February 2014</a></li> <li><a href='https://dmarc.org/2013/02/'>February 2013</a></li> <li><a href='https://dmarc.org/2012/10/'>October 2012</a></li> <li><a href='https://dmarc.org/2012/01/'>January 2012</a></li> </ul> </aside> </div> </div> </div> <div class="clearboth"></div> <footer id="colophon" class="site-footer" role="contentinfo"> <div class="footer-bottom-bar site-pad"> <div class="site-container"> <div class="scroll-to-top"><i class="fa fa-angle-up"></i></div> <!-- Scroll To Top Button --> <div class="footer-left"> Unless otherwise noted, all content on this website is (<a href="http://creativecommons.org/licenses/by/3.0/">CC By 3.0</a>) by DMARC.org </div> <div class="footer-right"> </div> <div class="clearboth"></div> </div><!-- .site-info --> </div> </footer><!-- #colophon --> </div> <script type="text/javascript" src="https://dmarc.org/wp-content/plugins/contact-form-7/includes/swv/js/index.js?ver=5.7.7" id="swv-js"></script> <script type="text/javascript" id="contact-form-7-js-extra"> /* <![CDATA[ */ var wpcf7 = {"api":{"root":"https:\/\/dmarc.org\/wp-json\/","namespace":"contact-form-7\/v1"}}; /* ]]> */ </script> <script type="text/javascript" src="https://dmarc.org/wp-content/plugins/contact-form-7/includes/js/index.js?ver=5.7.7" id="contact-form-7-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/navigation.js?ver=10.1.1" id="albar-navigation-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/jquery.carouFredSel-6.2.1-packed.js?ver=10.1.1" id="albar-caroufredSel-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/waypoints.min.js?ver=10.1.1" id="albar-waypoints-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/waypoints-sticky.min.js?ver=10.1.1" id="albar-waypoints-sticky-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/custom.js?ver=10.1.1" id="albar-customjs-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-content/themes/albar/js/skip-link-focus-fix.js?ver=10.1.1" id="albar-skip-link-focus-fix-js"></script> <script type="text/javascript" src="https://www.google.com/recaptcha/api.js?render=6LcBkJIUAAAAAHY8LeuV-omUtdVUjTQY3gJtQ2Rr&ver=3.0" id="google-recaptcha-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-includes/js/dist/vendor/wp-polyfill-inert.min.js?ver=3.1.2" id="wp-polyfill-inert-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-includes/js/dist/vendor/regenerator-runtime.min.js?ver=0.14.0" id="regenerator-runtime-js"></script> <script type="text/javascript" src="https://dmarc.org/wp-includes/js/dist/vendor/wp-polyfill.min.js?ver=3.15.0" id="wp-polyfill-js"></script> <script type="text/javascript" id="wpcf7-recaptcha-js-extra"> /* <![CDATA[ */ var wpcf7_recaptcha = {"sitekey":"6LcBkJIUAAAAAHY8LeuV-omUtdVUjTQY3gJtQ2Rr","actions":{"homepage":"homepage","contactform":"contactform"}}; /* ]]> */ </script> <script type="text/javascript" src="https://dmarc.org/wp-content/plugins/contact-form-7/modules/recaptcha/index.js?ver=5.7.7" id="wpcf7-recaptcha-js"></script> </body> </html>