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id="toc-Bcc_recipients-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What_does_Field_recipients_mean?" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#What_does_Field_recipients_mean?"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>What does Field recipients mean?</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-What_does_Field_recipients_mean?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Security" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Security"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Security</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">3 comments</span> <ul id="toc-Security-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-What's_in_the_name?" class="vector-toc-list-item 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class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-Ableist?-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-"Bcc"_can't_be_the_abbr." class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#"Bcc"_can't_be_the_abbr."> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>"Bcc" can't be the abbr.</span> </div> </a> <span class="ext-discussiontools-init-sidebar-meta">1 comment</span> <ul id="toc-"Bcc"_can't_be_the_abbr.-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" 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.portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Noun-technology.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/29px-Noun-technology.svg.png" decoding="async" width="29" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/43px-Noun-technology.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/Noun-technology.svg/57px-Noun-technology.svg.png 2x" data-file-width="90" data-file-height="88"/></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Technology" title="Portal:Technology">Technology portal</a></span></li></ul>This article is within the scope of <b><a href="/wiki/Wikipedia:WikiProject_Technology" title="Wikipedia:WikiProject Technology">WikiProject Technology</a></b>, a collaborative effort to improve the coverage of <a href="/wiki/Technology" title="Technology">technology</a> on Wikipedia. If you would like to participate, please visit the project page, where you can join <a href="/wiki/Wikipedia_talk:WikiProject_Technology" title="Wikipedia talk:WikiProject Technology">the discussion</a> and see a list of open tasks.<span class="metadata wpb-metadata"><span class="wpb-project">Technology</span><span class="wpb-project_link">Wikipedia:WikiProject Technology</span><span class="wpb-banner_name">Template:WikiProject Technology</span><span class="wpb-assessment_cat">Technology articles</span></span></td><td class="mbox-empty-cell"></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table> <meta property="mw:PageProp/toc"/> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Synonyms" data-mw-thread-id="h-Synonyms"><span data-mw-comment-start="" id="h-Synonyms"></span>Synonyms<span data-mw-comment-end="h-Synonyms"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=1" title="Edit section: Synonyms"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>I found this here <a rel="nofollow" class="external free" href="http://searchsmb.techtarget.com/sDefinition/0,290660,sid44_gci756654,00.html">http://searchsmb.techtarget.com/sDefinition/0,290660,sid44_gci756654,00.html</a> </p><p>Eudora and perhaps other e-mail facilities, you'll see the abbreviations "Fcc" and "Bcc". "Fcc" is the same as "cc" or carbon copy - that is, send a copy of the message to the address you fill in. "Bcc" stands for "Blind carbon copy" which says: send a copy to another address...but in this case, don't indicate to the Fcc recipient that you also sent this copy. Since today the term <b>courtesy copy</b> is sometimes used instead of carbon copy, <b>Bcc</b> can also stand for <b>blind courtesy copy</b>. </p><p>is that correct </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="ISPs_bouncing_BCC_recipients?" data-mw-thread-id="h-ISPs_bouncing_BCC_recipients?-2006-06-10T16:52:00.000Z"><span id="ISPs_bouncing_BCC_recipients.3F"></span><span data-mw-comment-start="" id="h-ISPs_bouncing_BCC_recipients?-2006-06-10T16:52:00.000Z"></span>ISPs bouncing BCC recipients?<span data-mw-comment-end="h-ISPs_bouncing_BCC_recipients?-2006-06-10T16:52:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=2" title="Edit section: ISPs bouncing BCC recipients?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Porfyrios-2006-06-10T16:52:00.000Z-ISPs_bouncing_BCC_recipients?"></span>In the July 2006 issue of PC World (page 45), it is claimed that "some ISPs matter-of-factly bounce them" [<i>referring to BCC addresses</i>]. Has anyone noticed behaviour of this sort? Which ISPs have taken such an extreme measure, and under what pretenses? <a href="/wiki/User:Porfyrios" title="User:Porfyrios">Porfyrios</a> <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Porfyrios-2006-06-10T16:52:00.000Z-ISPs_bouncing_BCC_recipients?" class="ext-discussiontools-init-timestamplink">16:52, 10 June 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Porfyrios-2006-06-10T16:52:00.000Z-ISPs_bouncing_BCC_recipients?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Porfyrios-2006-06-10T16:52:00.000Z-ISPs_bouncing_BCC_recipients?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="snail_mail" data-mw-thread-id="h-snail_mail-2006-10-22T06:13:00.000Z"><span data-mw-comment-start="" id="h-snail_mail-2006-10-22T06:13:00.000Z"></span>snail mail<span data-mw-comment-end="h-snail_mail-2006-10-22T06:13:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=3" title="Edit section: snail mail"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Fitzaubrey-2006-10-22T06:13:00.000Z-snail_mail"></span>Since BCC serves the same function in snail mail, why is this treatment limited to email? Is there a parallel discussion I'm missing somewhere else? <a href="/wiki/User:Fitzaubrey" title="User:Fitzaubrey">Fitzaubrey</a> <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Fitzaubrey-2006-10-22T06:13:00.000Z-snail_mail" class="ext-discussiontools-init-timestamplink">06:13, 22 October 2006 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Fitzaubrey-2006-10-22T06:13:00.000Z-snail_mail"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Fitzaubrey-2006-10-22T06:13:00.000Z-snail_mail"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Bcc_recipients" data-mw-thread-id="h-Bcc_recipients-2007-09-18T05:53:00.000Z"><span data-mw-comment-start="" id="h-Bcc_recipients-2007-09-18T05:53:00.000Z"></span>Bcc recipients<span data-mw-comment-end="h-Bcc_recipients-2007-09-18T05:53:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=4" title="Edit section: Bcc recipients"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Nick90210-2007-09-18T05:53:00.000Z-Bcc_recipients"></span>So: </p><p>1. A Bcc recipient cannot see who else the email was sent to </p><p>AND </p><p>2. Other recipients can't see the Bcc recipient </p><p>Is my understanding correct? Or is it just one of the two? I'm confused...--<a href="/wiki/User:Nick90210" title="User:Nick90210">Nick90210</a> <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Nick90210-2007-09-18T05:53:00.000Z-Bcc_recipients" class="ext-discussiontools-init-timestamplink">05:53, 18 September 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Nick90210-2007-09-18T05:53:00.000Z-Bcc_recipients"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Nick90210-2007-09-18T05:53:00.000Z-Bcc_recipients"></span> </p><p><span data-mw-comment-start="" id="c-129.21.240.106-2008-02-18T23:40:00.000Z-Bcc_recipients"></span>Same here. There's quite a difference between the two scenarios! <a href="/wiki/Special:Contributions/129.21.240.106" title="Special:Contributions/129.21.240.106">129.21.240.106</a> (<a href="/w/index.php?title=User_talk:129.21.240.106&action=edit&redlink=1" class="new" title="User talk:129.21.240.106 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-129.21.240.106-2008-02-18T23:40:00.000Z-Bcc_recipients" class="ext-discussiontools-init-timestamplink">23:40, 18 February 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-129.21.240.106-2008-02-18T23:40:00.000Z-Bcc_recipients"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-129.21.240.106-2008-02-18T23:40:00.000Z-Bcc_recipients"></span> </p><p><br/><span data-mw-comment-start="" id="c-Gormat-2008-04-04T10:02:00.000Z-Bcc_recipients"></span> I believe Bcc means the above 2 ONLY: i.e. other recipients can't see the Bcc recipient. The above 1 is false, so a bcc recipient CAN see who else the email was sent to (exept other Bcc recipients!). Can anyone confirm this? Then at least this sentence in the article should be revised: </p><p>"BCC: field recipients are those being discreetly or surreptitiously informed of the communication and cannot see any of the other addressees." <small>—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/w/index.php?title=User:Gormat&action=edit&redlink=1" class="new" title="User:Gormat (page does not exist)">Gormat</a> (<a href="/w/index.php?title=User_talk:Gormat&action=edit&redlink=1" class="new" title="User talk:Gormat (page does not exist)">talk</a> • <a href="/wiki/Special:Contributions/Gormat" title="Special:Contributions/Gormat">contribs</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Gormat-2008-04-04T10:02:00.000Z-Bcc_recipients" class="ext-discussiontools-init-timestamplink">10:02, 4 April 2008 (UTC)</a></small><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Gormat-2008-04-04T10:02:00.000Z-Bcc_recipients"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Gormat-2008-04-04T10:02:00.000Z-Bcc_recipients"></span> </p><p><span data-mw-comment-start="" id="c-RichardNeill-2008-04-21T13:39:00.000Z-Bcc_recipients"></span>I've fixed this <a href="/wiki/User:RichardNeill" title="User:RichardNeill">RichardNeill</a> (<a href="/wiki/User_talk:RichardNeill" title="User talk:RichardNeill">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-RichardNeill-2008-04-21T13:39:00.000Z-Bcc_recipients" class="ext-discussiontools-init-timestamplink">13:39, 21 April 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-RichardNeill-2008-04-21T13:39:00.000Z-Bcc_recipients"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-RichardNeill-2008-04-21T13:39:00.000Z-Bcc_recipients"></span> </p><p><b><span data-mw-comment-start="" id="c-AzraelUK-2008-05-22T10:25:00.000Z-Bcc_recipients"></span>Everybody</b> who receives the email will be able to see the To: and CC: field. <b>Nobody</b> can see who is in the BCC: field. <a href="/wiki/User:AzraelUK" title="User:AzraelUK">Azrael</a><a href="/wiki/Azrael" title="Azrael">#</a> <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-AzraelUK-2008-05-22T10:25:00.000Z-Bcc_recipients" class="ext-discussiontools-init-timestamplink">10:25, 22 May 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-AzraelUK-2008-05-22T10:25:00.000Z-Bcc_recipients"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-AzraelUK-2008-05-22T10:25:00.000Z-Bcc_recipients"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-FrankSier-2012-09-11T22:49:00.000Z-AzraelUK-2008-05-22T10:25:00.000Z"></span>I agree that it seems to be the common belief (as in these web pages: <a rel="nofollow" class="external autonumber" href="http://email.about.com/od/emailbehindthescenes/g/bcc.htm">[1]</a>, <a rel="nofollow" class="external autonumber" href="http://www.lifehack.org/articles/technology/to-bcc-or-not-bcc-email-etiquette.html">[2]</a>, <a rel="nofollow" class="external autonumber" href="https://www.wikihow.com/Use-BCC-in-an-Email">[3]</a>, <a rel="nofollow" class="external autonumber" href="http://bccplease.com/">[4]</a>, <a rel="nofollow" class="external autonumber" href="https://www.bbc.co.uk/webwise/guides/email-cc-and-bcc">[5]</a>) that nobody can see who is in the BCC field, but RFC 2882 does seem to say that the addresses in Bcc might get a copy of the list of addresses in Bcc. The wording is:</dd></dl> <pre> 'In the second case... the recipients on the "Bcc:" line get a separate copy of the message containing a "Bcc:" line.' </pre> <dl><dd>I think there is some ambiguity about what is in this Bcc line: just the address of the recipient? or the whole Bcc list? I am unclear about the use of the word "separate": (why not just say "copy" rather than "separate copy"?) does it mean that each Bcc recipient gets a <b>different</b> copy? If so this maybe implies that each Bcc recipient gets a version with just <b>their own</b> address in Bcc. This would match with the statement in brackets in the RFC:</dd></dl> <pre> '(When there are multiple recipient addresses in the "Bcc:" field, some implementations actually send a separate copy of the message to each recipient with a "Bcc:" containing only the address of that particular recipient.)' </pre> <dl><dd>Maybe this bracketed part is intended to apply to <b>all</b> cases where anyone is sent a Bcc line. <b>If so, then it means that it true that addresses in Bcc are not revealed to anyone else.</b></dd></dl> <p><b></b> </p> <dl><dd>Does anyone know of any specific software, or situations, where the complete list in Bcc is sent to any recipient?</dd></dl> <dl><dd>A note about the RFCs and their status: RFC 2822, which is at present quoted in the article, has a note that it is obsoleted by RFC 5322, but this is not that important as the two RFCs are identical as far as I can see in what they say about Bcc.</dd></dl> <dl><dd>More important is that 5322 is noted as being just a <b>DRAFT</b> STANDARD. I have not been able to locate an actual internet standard, so the article seems to be incorrect in saying that RFC 2822 is an internet standard - I am not sure about this - does anyone know better? I have not made any changes to the article yet. <a href="/wiki/User:FrankSier" title="User:FrankSier">FrankSier</a> (<a href="/wiki/User_talk:FrankSier" title="User talk:FrankSier">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-FrankSier-2012-09-11T22:49:00.000Z-AzraelUK-2008-05-22T10:25:00.000Z" class="ext-discussiontools-init-timestamplink">22:49, 11 September 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-FrankSier-2012-09-11T22:49:00.000Z-AzraelUK-2008-05-22T10:25:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-FrankSier-2012-09-11T22:49:00.000Z-AzraelUK-2008-05-22T10:25:00.000Z"></span></dd></dl> <dl><dd><dl><dd><span data-mw-comment-start="" id="c-FrankSier-2012-09-11T23:15:00.000Z-FrankSier-2012-09-11T22:49:00.000Z"></span>Looking further at RFC 5322, the Security Considerations section does say explicitly:</dd></dl></dd></dl> <pre> If the "Bcc:" field sent contains all of the blind addressees, all of the "Bcc:" recipients will be seen by each "Bcc:" recipient. </pre> <dl><dd><dl><dd>which tends to confirm that the RFC does allow for the possibility of the <b>whole</b> Bcc list to be sent to at least some recipients. <b>Does anyone know how often this happens in actual practise?</b> <a href="/wiki/User:FrankSier" title="User:FrankSier">FrankSier</a> (<a href="/wiki/User_talk:FrankSier" title="User talk:FrankSier">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-FrankSier-2012-09-11T23:15:00.000Z-FrankSier-2012-09-11T22:49:00.000Z" class="ext-discussiontools-init-timestamplink">23:15, 11 September 2012 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-FrankSier-2012-09-11T23:15:00.000Z-FrankSier-2012-09-11T22:49:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-FrankSier-2012-09-11T23:15:00.000Z-FrankSier-2012-09-11T22:49:00.000Z"></span></dd></dl></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="What_does_Field_recipients_mean?" data-mw-thread-id="h-What_does_Field_recipients_mean?-2007-10-30T01:20:00.000Z"><span id="What_does_Field_recipients_mean.3F"></span><span data-mw-comment-start="" id="h-What_does_Field_recipients_mean?-2007-10-30T01:20:00.000Z"></span>What does Field recipients mean?<span data-mw-comment-end="h-What_does_Field_recipients_mean?-2007-10-30T01:20:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=5" title="Edit section: What does Field recipients mean?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-81.158.96.131-2007-10-30T01:20:00.000Z-What_does_Field_recipients_mean?"></span>I probably shouldn't be reading this article. <small>—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/81.158.96.131" title="Special:Contributions/81.158.96.131">81.158.96.131</a> (<a href="/w/index.php?title=User_talk:81.158.96.131&action=edit&redlink=1" class="new" title="User talk:81.158.96.131 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-81.158.96.131-2007-10-30T01:20:00.000Z-What_does_Field_recipients_mean?" class="ext-discussiontools-init-timestamplink">01:20, 30 October 2007 (UTC)</a></small><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-81.158.96.131-2007-10-30T01:20:00.000Z-What_does_Field_recipients_mean?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-81.158.96.131-2007-10-30T01:20:00.000Z-What_does_Field_recipients_mean?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Security" data-mw-thread-id="h-Security-2007-12-05T23:37:00.000Z"><span data-mw-comment-start="" id="h-Security-2007-12-05T23:37:00.000Z"></span>Security<span data-mw-comment-end="h-Security-2007-12-05T23:37:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=6" title="Edit section: Security"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-RealGrouchy-2007-12-05T23:37:00.000Z-Security"></span>I heard a rumour that it is possible to determine who is on your Bcc list of a message. Is there any evidence for/against this rumour? I think that would be useful info to have on this article. --<a href="/wiki/User:RealGrouchy" title="User:RealGrouchy">RealGrouchy</a> (<a href="/wiki/User_talk:RealGrouchy" title="User talk:RealGrouchy">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-RealGrouchy-2007-12-05T23:37:00.000Z-Security" class="ext-discussiontools-init-timestamplink">23:37, 5 December 2007 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-RealGrouchy-2007-12-05T23:37:00.000Z-Security"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-RealGrouchy-2007-12-05T23:37:00.000Z-Security"></span> </p><p><span data-mw-comment-start="" id="c-AzraelUK-2008-05-22T10:28:00.000Z-Security"></span>The received email will not have the BCC: header filled in with email addresses. It could be determined by somebody who has access to the mail server, but not by a regular recipient. <a href="/wiki/User:AzraelUK" title="User:AzraelUK">Azrael</a><a href="/wiki/Azrael" title="Azrael">#</a> <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-AzraelUK-2008-05-22T10:28:00.000Z-Security" class="ext-discussiontools-init-timestamplink">10:28, 22 May 2008 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-AzraelUK-2008-05-22T10:28:00.000Z-Security"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-AzraelUK-2008-05-22T10:28:00.000Z-Security"></span> </p><p><span data-mw-comment-start="" id="c-Bear8-2009-01-06T04:29:00.000Z-Security"></span>Also there are some mail clients when there are more than 50 bcc addresses failto keep them as bcc and send as cc. I understand but have not personally verified that outlook express 2000 and 2003 do this. should a comment like this be ncluided in the main article? andrew <a href="/wiki/User:Bear8" title="User:Bear8">Bear8</a> (<a href="/w/index.php?title=User_talk:Bear8&action=edit&redlink=1" class="new" title="User talk:Bear8 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Bear8-2009-01-06T04:29:00.000Z-Security" class="ext-discussiontools-init-timestamplink">04:29, 6 January 2009 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Bear8-2009-01-06T04:29:00.000Z-Security"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Bear8-2009-01-06T04:29:00.000Z-Security"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="What's_in_the_name?" data-mw-thread-id="h-What's_in_the_name?-2010-10-06T12:35:00.000Z"><span id="What.27s_in_the_name.3F"></span><span data-mw-comment-start="" id="h-What's_in_the_name?-2010-10-06T12:35:00.000Z"></span>What's in the name?<span data-mw-comment-end="h-What's_in_the_name?-2010-10-06T12:35:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=7" title="Edit section: What's in the name?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-98.254.64.146-2010-10-06T12:35:00.000Z-What's_in_the_name?"></span>Blind Carbon Copy; where the heck did they get the 'carbon' from? It would have been better if they renamed it to 'Blind Client Copy' or something. Carbon is supposedly black ink on paper when you write with a pencil. Blind is also a weird term, because even if you're blind you can still feel and perhaps read the inprint, whether you see the ink or not. BCC completely masks or hides the recipients, so that the receiver can not backtrace other addresses. Just a minor complaint about the ill chosen word. <span style="font-size: smaller;" class="autosigned">—Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/98.254.64.146" title="Special:Contributions/98.254.64.146">98.254.64.146</a> (<a href="/wiki/User_talk:98.254.64.146" title="User talk:98.254.64.146">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-98.254.64.146-2010-10-06T12:35:00.000Z-What's_in_the_name?" class="ext-discussiontools-init-timestamplink">12:35, 6 October 2010 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-98.254.64.146-2010-10-06T12:35:00.000Z-What's_in_the_name?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-98.254.64.146-2010-10-06T12:35:00.000Z-What's_in_the_name?"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-GGdown-2011-01-07T11:05:00.000Z-98.254.64.146-2010-10-06T12:35:00.000Z"></span>See <a class="external free" href="https://en.wikipedia.org/wiki/Carbon_paper">http://en.wikipedia.org/wiki/Carbon_paper</a> for the origin of the word "carbon" in this context. Because the idea of sending copies originated in post, not email, the same nomenclature has carried over to the use of email. You're suggesting implementing a bacronym, which is discussed in the "carbon vs courtesy" section.<a href="/wiki/User:GGdown" title="User:GGdown">GGdown</a> (<a href="/wiki/User_talk:GGdown" title="User talk:GGdown">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-GGdown-2011-01-07T11:05:00.000Z-98.254.64.146-2010-10-06T12:35:00.000Z" class="ext-discussiontools-init-timestamplink">11:05, 7 January 2011 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-GGdown-2011-01-07T11:05:00.000Z-98.254.64.146-2010-10-06T12:35:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-GGdown-2011-01-07T11:05:00.000Z-98.254.64.146-2010-10-06T12:35:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Reply" data-mw-thread-id="h-Reply-2013-06-29T15:13:00.000Z"><span data-mw-comment-start="" id="h-Reply-2013-06-29T15:13:00.000Z"></span>Reply<span data-mw-comment-end="h-Reply-2013-06-29T15:13:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=8" title="Edit section: Reply"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-176.202.24.87-2013-06-29T15:13:00.000Z-Reply"></span>The article seems to present contradictory information. First, it says "BCC is often used to prevent an accidental 'Reply All' from sending a reply intended for only the originator of the message to the entire recipient list". But in a later section, the article says "If the Bcc: header is completely removed, people who receive a blind copy may not notice they are not on either the To: or Cc: and reply to everyone, thus leaking that blind copies were sent." <span style="font-size: smaller;" class="autosigned">— Preceding <a href="/wiki/Wikipedia:Signatures" title="Wikipedia:Signatures">unsigned</a> comment added by <a href="/wiki/Special:Contributions/176.202.24.87" title="Special:Contributions/176.202.24.87">176.202.24.87</a> (<a href="/w/index.php?title=User_talk:176.202.24.87&action=edit&redlink=1" class="new" title="User talk:176.202.24.87 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-176.202.24.87-2013-06-29T15:13:00.000Z-Reply" class="ext-discussiontools-init-timestamplink">15:13, 29 June 2013 (UTC)</a></span><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-176.202.24.87-2013-06-29T15:13:00.000Z-Reply"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-176.202.24.87-2013-06-29T15:13:00.000Z-Reply"></span> </p> <dl><dd><span data-mw-comment-start="" id="c-Marnanel-2013-07-12T13:14:00.000Z-176.202.24.87-2013-06-29T15:13:00.000Z"></span>There's no contradiction, because an email may have both BCC and non-BCC recipients. In the first case, the use of BCC hides the full recipient list from everyone except the sender. In the second case, people who were on the BCC list may reply to all recipients who were not on the BCC list, which leaks the information that there was a BCC list in the first place. <a href="/wiki/User:Marnanel" title="User:Marnanel">Marnanel</a> (<a href="/wiki/User_talk:Marnanel" title="User talk:Marnanel">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Marnanel-2013-07-12T13:14:00.000Z-176.202.24.87-2013-06-29T15:13:00.000Z" class="ext-discussiontools-init-timestamplink">13:14, 12 July 2013 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Marnanel-2013-07-12T13:14:00.000Z-176.202.24.87-2013-06-29T15:13:00.000Z"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Marnanel-2013-07-12T13:14:00.000Z-176.202.24.87-2013-06-29T15:13:00.000Z"></span></dd></dl> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id="Ableist?" data-mw-thread-id="h-Ableist?-2021-06-18T15:00:00.000Z"><span id="Ableist.3F"></span><span data-mw-comment-start="" id="h-Ableist?-2021-06-18T15:00:00.000Z"></span>Ableist?<span data-mw-comment-end="h-Ableist?-2021-06-18T15:00:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=9" title="Edit section: Ableist?"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6-2021-06-18T15:00:00.000Z-Ableist?"></span>People complain about "blacklists" and "master/slave" computer terminology as racist these days. Is "blind carbon copy", then, ableist? <a href="/wiki/Special:Contributions/2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6" title="Special:Contributions/2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6">2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6</a> (<a href="/w/index.php?title=User_talk:2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6&action=edit&redlink=1" class="new" title="User talk:2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6 (page does not exist)">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6-2021-06-18T15:00:00.000Z-Ableist?" class="ext-discussiontools-init-timestamplink">15:00, 18 June 2021 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6-2021-06-18T15:00:00.000Z-Ableist?"><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-2A00:23C5:FE0C:2100:1D77:BCFD:9BED:31C6-2021-06-18T15:00:00.000Z-Ableist?"></span> </p> <div class="mw-heading mw-heading2 ext-discussiontools-init-section"><h2 id=""Bcc"_can't_be_the_abbr." data-mw-thread-id="h-"Bcc"_can't_be_the_abbr.-2022-05-21T19:49:00.000Z"><span id=".22Bcc.22_can.27t_be_the_abbr."></span><span data-mw-comment-start="" id="h-"Bcc"_can't_be_the_abbr.-2022-05-21T19:49:00.000Z"></span>"Bcc" can't be the abbr.<span data-mw-comment-end="h-"Bcc"_can't_be_the_abbr.-2022-05-21T19:49:00.000Z"></span></h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Talk:Blind_carbon_copy&action=edit&section=10" title="Edit section: "Bcc" can't be the abbr."><span>edit</span></a><span class="mw-editsection-bracket">]</span></span><div class="ext-discussiontools-init-section-bar"><div class="ext-discussiontools-init-section-metadata"></div><div class="ext-discussiontools-init-section-actions"></div></div></div> <p><span data-mw-comment-start="" id="c-Mortense-2022-05-21T19:49:00.000Z-"Bcc"_can't_be_the_abbr."></span>Wiktionary lists <a href="https://en.wiktionary.org/wiki/bcc#Noun" class="extiw" title="wiktionary:bcc"><i>"bcc"</i> as the primary</a> and <a href="https://en.wiktionary.org/wiki/BCC#Noun" class="extiw" title="wiktionary:BCC"><i>BCC</i></a> as an alternative. </p><p>--<a href="/wiki/User:Mortense" title="User:Mortense">Mortense</a> (<a href="/wiki/User_talk:Mortense" title="User talk:Mortense">talk</a>) <a href="https://en.wikipedia.org/wiki/Talk:Blind_carbon_copy#c-Mortense-2022-05-21T19:49:00.000Z-"Bcc"_can't_be_the_abbr." class="ext-discussiontools-init-timestamplink">19:49, 21 May 2022 (UTC)</a><span class="ext-discussiontools-init-replylink-buttons" data-mw-thread-id="c-Mortense-2022-05-21T19:49:00.000Z-"Bcc"_can't_be_the_abbr."><span class="ext-discussiontools-init-replylink-bracket">[</span><a class="ext-discussiontools-init-replylink-reply" role="button" tabindex="0" href="">reply</a><span class="ext-discussiontools-init-replylink-bracket">]</span></span><span data-mw-comment-end="c-Mortense-2022-05-21T19:49:00.000Z-"Bcc"_can't_be_the_abbr."></span> </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Talk:Blind_carbon_copy&oldid=1218069035">https://en.wikipedia.org/w/index.php?title=Talk:Blind_carbon_copy&oldid=1218069035</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Start-Class_Technology_articles" title="Category:Start-Class Technology articles">Start-Class Technology articles</a></li><li><a href="/wiki/Category:WikiProject_Technology_articles" title="Category:WikiProject Technology articles">WikiProject Technology articles</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 9 April 2024, at 14:46<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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