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Profile for Dave Crocker
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<noscript> <div class="alert alert-danger alert-ignore my-3"> <b>Javascript disabled?</b> Like other modern websites, the IETF Datatracker relies on Javascript. Please enable Javascript for full functionality. </div> </noscript> <h1> Dave Crocker </h1> <div class="bio-text"> <div class="float-end ms-3 mb-3"> <div class="card shadow-sm mb-3 text-center photo"> <img class="card-img-top" src="https://www.ietf.org/lib/dt/media/photo/dave-crocker-Xv5ER-th.jpg" alt="Photo of Dave Crocker"> <div class="card-body"> <p class="mb-1"> <span ><a title="Datatracker profile of Dave Crocker" href="/person/dhc@dcrocker.net" >Dave Crocker</a></span> </p> </div> </div> </div> <div class="document"> </div> </div> <h2 class="mt-5" id="roles-1">Roles</h2> <p>Dave has no active roles as of 2025-02-21.</p> <h2 class="mt-5" id="rfcs-1"> RFCs <small class="text-body-secondary">(41)</small> </h2> <table class="table table-sm table-striped tablesorter"> <thead> <tr> <th scope="col" data-sort="rfc">RFC</th> <th scope="col" data-sort="date">Date</th> <th scope="col" data-sort="title">Title</th> <th scope="col" data-sort="citedby">Cited by</th> </tr> </thead> <tbody> <tr> <td> <a class="text-nowrap" href="/doc/rfc1425/">RFC 1425</a> </td> <td data-sort-number="728553600">Feb 1993</td> <td>SMTP Service Extensions</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1425/referencedby/" rel="nofollow"> 14 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1426/">RFC 1426</a> </td> <td data-sort-number="728553600">Feb 1993</td> <td>SMTP Service Extension for 8bit-MIMEtransport</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1426/referencedby/" rel="nofollow"> 7 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1603/">RFC 1603</a> </td> <td data-sort-number="762508800">Mar 1994</td> <td>IETF Working Group Guidelines and Procedures</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1603/referencedby/" rel="nofollow"> 6 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1651/">RFC 1651</a> </td> <td data-sort-number="773046000">Jul 1994</td> <td>SMTP Service Extensions</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1651/referencedby/" rel="nofollow"> 7 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1652/">RFC 1652</a> </td> <td data-sort-number="773046000">Jul 1994</td> <td>SMTP Service Extension for 8bit-MIMEtransport</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1652/referencedby/" rel="nofollow"> 22 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1692/">RFC 1692</a> </td> <td data-sort-number="775724400">Aug 1994</td> <td>Transport Multiplexing Protocol (TMux)</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1692/referencedby/" rel="nofollow"> 3 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1740/">RFC 1740</a> </td> <td data-sort-number="786268800">Dec 1994</td> <td>MIME Encapsulation of Macintosh Files - MacMIME</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1740/referencedby/" rel="nofollow"> 4 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1741/">RFC 1741</a> </td> <td data-sort-number="786268800">Dec 1994</td> <td>MIME Content Type for BinHex Encoded Files</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1741/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1767/">RFC 1767</a> </td> <td data-sort-number="794044800">Mar 1995</td> <td>MIME Encapsulation of EDI Objects</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1767/referencedby/" rel="nofollow"> 7 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1775/">RFC 1775</a> </td> <td data-sort-number="794044800">Mar 1995</td> <td>To Be "On" the Internet</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1775/referencedby/" rel="nofollow"> 1 RFC </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1845/">RFC 1845</a> </td> <td data-sort-number="809938800">Sep 1995</td> <td>SMTP Service Extension for Checkpoint/Restart</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1845/referencedby/" rel="nofollow"> 6 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc1869/">RFC 1869</a> </td> <td data-sort-number="815212800">Nov 1995</td> <td>SMTP Service Extensions</td> <td class="text-end"> <a class="text-end" href="/doc/rfc1869/referencedby/" rel="nofollow"> 19 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc2142/">RFC 2142</a> </td> <td data-sort-number="862470000">May 1997</td> <td>Mailbox Names for Common Services, Roles and Functions</td> <td class="text-end"> <a class="text-end" href="/doc/rfc2142/referencedby/" rel="nofollow"> 17 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc2234/">RFC 2234</a> </td> <td data-sort-number="878371200">Nov 1997</td> <td>Augmented BNF for Syntax Specifications: ABNF</td> <td class="text-end"> <a class="text-end" href="/doc/rfc2234/referencedby/" rel="nofollow"> 170 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc3297/">RFC 3297</a> </td> <td data-sort-number="1027494000">Jul 2002</td> <td>Content Negotiation for Messaging Services based on Email</td> <td class="text-end"> <a class="text-end" href="/doc/rfc3297/referencedby/" rel="nofollow"> 6 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc3340/">RFC 3340</a> </td> <td data-sort-number="1027494000">Jul 2002</td> <td>The Application Exchange Core</td> <td class="text-end"> <a class="text-end" href="/doc/rfc3340/referencedby/" rel="nofollow"> 3 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc3341/">RFC 3341</a> </td> <td data-sort-number="1027494000">Jul 2002</td> <td>The Application Exchange (APEX) Access Service</td> <td class="text-end"> <a class="text-end" href="/doc/rfc3341/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc3343/">RFC 3343</a> </td> <td data-sort-number="1051772400">May 2003</td> <td>The Application Exchange (APEX) Presence Service</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc4141/">RFC 4141</a> </td> <td data-sort-number="1132300800">Nov 2005</td> <td>SMTP and MIME Extensions for Content Conversion</td> <td class="text-end"> <a class="text-end" href="/doc/rfc4141/referencedby/" rel="nofollow"> 3 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc4142/">RFC 4142</a> </td> <td data-sort-number="1132300800">Nov 2005</td> <td>Full-mode Fax Profile for Internet Mail (FFPIM)</td> <td class="text-end"> <a class="text-end" href="/doc/rfc4142/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc4143/">RFC 4143</a> </td> <td data-sort-number="1132300800">Nov 2005</td> <td>Facsimile Using Internet Mail (IFAX) Service of ENUM</td> <td class="text-end"> <a class="text-end" href="/doc/rfc4143/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc4234/">RFC 4234</a> </td> <td data-sort-number="1128409200">Oct 2005</td> <td>Augmented BNF for Syntax Specifications: ABNF</td> <td class="text-end"> <a class="text-end" href="/doc/rfc4234/referencedby/" rel="nofollow"> 105 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5068/">RFC 5068</a> </td> <td data-sort-number="1194422400">Nov 2007</td> <td>Email Submission Operations: Access and Accountability Requirements</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5068/referencedby/" rel="nofollow"> 4 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5234/">RFC 5234</a> </td> <td data-sort-number="1201766400">Jan 2008</td> <td>Augmented BNF for Syntax Specifications: ABNF</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5234/referencedby/" rel="nofollow"> 398 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5585/">RFC 5585</a> </td> <td data-sort-number="1246950000">Jul 2009</td> <td>DomainKeys Identified Mail (DKIM) Service Overview</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5585/referencedby/" rel="nofollow"> 4 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5598/">RFC 5598</a> </td> <td data-sort-number="1247554800">Jul 2009</td> <td>Internet Mail Architecture</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5598/referencedby/" rel="nofollow"> 39 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5672/">RFC 5672</a> </td> <td data-sort-number="1251270000">Aug 2009</td> <td><a href="/doc/rfc4871/">RFC 4871</a> DomainKeys Identified Mail (DKIM) Signatures -- Update</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5672/referencedby/" rel="nofollow"> 3 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc5863/">RFC 5863</a> </td> <td data-sort-number="1274943600">May 2010</td> <td>DomainKeys Identified Mail (DKIM) Development, Deployment, and Operations</td> <td class="text-end"> <a class="text-end" href="/doc/rfc5863/referencedby/" rel="nofollow"> 4 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6152/">RFC 6152</a> </td> <td data-sort-number="1299398400">Mar 2011</td> <td>SMTP Service Extension for 8-bit MIME Transport</td> <td class="text-end"> <a class="text-end" href="/doc/rfc6152/referencedby/" rel="nofollow"> 7 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6376/">RFC 6376</a> </td> <td data-sort-number="1316588400">Sep 2011</td> <td>DomainKeys Identified Mail (DKIM) Signatures</td> <td class="text-end"> <a class="text-end" href="/doc/rfc6376/referencedby/" rel="nofollow"> 37 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6410/">RFC 6410</a> </td> <td data-sort-number="1318230000">Oct 2011</td> <td>Reducing the Standards Track to Two Maturity Levels</td> <td class="text-end"> <a class="text-end" href="/doc/rfc6410/referencedby/" rel="nofollow"> 10 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6647/">RFC 6647</a> </td> <td data-sort-number="1340002800">Jun 2012</td> <td>Email Greylisting: An Applicability Statement for SMTP</td> <td class="text-end"> <a class="text-end" href="/doc/rfc6647/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6648/">RFC 6648</a> </td> <td data-sort-number="1340694000">Jun 2012</td> <td>Deprecating the "X-" Prefix and Similar Constructs in Application Protocols</td> <td class="text-end"> <a class="text-end" href="/doc/rfc6648/referencedby/" rel="nofollow"> 14 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc6729/">RFC 6729</a> </td> <td data-sort-number="1346914800">Sep 2012</td> <td>Indicating Email Handling States in Trace Fields</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc7221/">RFC 7221</a> </td> <td data-sort-number="1398754800">Apr 2014</td> <td>Handling of Internet-Drafts by IETF Working Groups</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc7704/">RFC 7704</a> </td> <td data-sort-number="1448870400">Nov 2015</td> <td>An IETF with Much Diversity and Professional Conduct</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc8552/">RFC 8552</a> </td> <td data-sort-number="1553065200">Mar 2019</td> <td>Scoped Interpretation of DNS Resource Records through "Underscored" Naming of Attribute Leaves</td> <td class="text-end"> <a class="text-end" href="/doc/rfc8552/referencedby/" rel="nofollow"> 2 RFCs </a> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc8553/">RFC 8553</a> </td> <td data-sort-number="1553065200">Mar 2019</td> <td>DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc9057/">RFC 9057</a> </td> <td data-sort-number="1624431600">Jun 2021</td> <td>Email Author Header Field</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc9078/">RFC 9078</a> </td> <td data-sort-number="1628060400">Aug 2021</td> <td>Reaction: Indicating Summary Reaction to a Message</td> <td class="text-end"> </td> </tr> <tr> <td> <a class="text-nowrap" href="/doc/rfc9228/">RFC 9228</a> </td> <td data-sort-number="1649833200">Apr 2022</td> <td>Delivered-To Email Header Field</td> <td class="text-end"> </td> </tr> </tbody> </table> <h2 class="mt-5" id="drafts-1"> Active Internet-Drafts <small class="text-body-secondary">(0)</small> </h2> Dave has no active Internet-Drafts as of 2025-02-21. <h2 class="mt-5"> Expired Internet-Drafts <small class="text-body-secondary">(72)</small> </h2> <ul> <li> <a href="/doc/draft-ietf-dkim-replay-problem/"> draft-ietf-dkim-replay-problem </a> </li> <li> <a href="/doc/draft-crocker-dkim-replay/"> draft-crocker-dkim-replay </a> </li> <li> <a href="/doc/draft-carpenter-gendispatch-rfc7221bis/"> draft-carpenter-gendispatch-rfc7221bis </a> </li> <li> <a href="/doc/draft-ietf-dmarc-sender/"> draft-ietf-dmarc-sender </a> </li> <li> <a href="/doc/draft-crocker-dmarc-author/"> draft-crocker-dmarc-author </a> </li> <li> <a href="/doc/draft-dcrocker-dns-perimeter/"> draft-dcrocker-dns-perimeter </a> </li> <li> <a href="/doc/draft-hansen-nonkeywords-non2119/"> draft-hansen-nonkeywords-non2119 </a> </li> <li> <a href="/doc/draft-crocker-rfc2418bis-wgguidelines/"> draft-crocker-rfc2418bis-wgguidelines </a> </li> <li> <a href="/doc/draft-ietf-yam-rfc1652bis-pre-evaluation/"> draft-ietf-yam-rfc1652bis-pre-evaluation </a> </li> <li> <a href="/doc/draft-toyoda-enum-faxservice/"> draft-toyoda-enum-faxservice </a> </li> <li> <a href="/doc/draft-ietf-impp-cpim/"> draft-ietf-impp-cpim </a> </li> <li> <a href="/doc/draft-ietf-fax-timely-delivery/"> draft-ietf-fax-timely-delivery </a> </li> <li> <a href="/doc/draft-kucherawy-dkim-delegate/"> draft-kucherawy-dkim-delegate </a> </li> <li> <a href="/doc/draft-crocker-strint-workshop-messaging/"> draft-crocker-strint-workshop-messaging </a> </li> <li> <a href="/doc/draft-crocker-dmarc-bcp/"> draft-crocker-dmarc-bcp </a> </li> <li> <a href="/doc/draft-ietf-genarea-bcp10upd/"> draft-ietf-genarea-bcp10upd </a> </li> <li> <a href="/doc/draft-crocker-doseta-base/"> draft-crocker-doseta-base </a> </li> <li> <a href="/doc/draft-crocker-doseta-mimeauth/"> draft-crocker-doseta-mimeauth </a> </li> <li> <a href="/doc/draft-crocker-dkim-doseta/"> draft-crocker-dkim-doseta </a> </li> <li> <a href="/doc/draft-crocker-dkim-rfc4871bis-doseta/"> draft-crocker-dkim-rfc4871bis-doseta </a> </li> <li> <a href="/doc/draft-crocker-ietf-twostage/"> draft-crocker-ietf-twostage </a> </li> <li> <a href="/doc/draft-crocker-nomcom-process/"> draft-crocker-nomcom-process </a> </li> <li> <a href="/doc/draft-crocker-rfc-media/"> draft-crocker-rfc-media </a> </li> <li> <a href="/doc/draft-levine-smtp-batv/"> draft-levine-smtp-batv </a> </li> <li> <a href="/doc/draft-crocker-csv-csa/"> draft-crocker-csv-csa </a> </li> <li> <a href="/doc/draft-ietf-marid-csv-intro/"> draft-ietf-marid-csv-intro </a> </li> <li> <a href="/doc/draft-crocker-marid-smtp-validate/"> draft-crocker-marid-smtp-validate </a> </li> <li> <a href="/doc/draft-dawkins-pstmt-twostage/"> draft-dawkins-pstmt-twostage </a> </li> <li> <a href="/doc/draft-carpenter-icar-sirs/"> draft-carpenter-icar-sirs </a> </li> <li> <a href="/doc/draft-crocker-celp/"> draft-crocker-celp </a> </li> <li> <a href="/doc/draft-crocker-mast-analysis/"> draft-crocker-mast-analysis </a> </li> <li> <a href="/doc/draft-crocker-mast-proposal/"> draft-crocker-mast-proposal </a> </li> <li> <a href="/doc/draft-crocker-spam-techconsider/"> draft-crocker-spam-techconsider </a> </li> <li> <a href="/doc/draft-carpenter-solution-sirs/"> draft-carpenter-solution-sirs </a> </li> <li> <a href="/doc/draft-toyoda-faxservice-enum/"> draft-toyoda-faxservice-enum </a> </li> <li> <a href="/doc/draft-etal-ietf-analysis/"> draft-etal-ietf-analysis </a> </li> <li> <a href="/doc/draft-crocker-mime-security/"> draft-crocker-mime-security </a> </li> <li> <a href="/doc/draft-crocker-wrap/"> draft-crocker-wrap </a> </li> <li> <a href="/doc/draft-crocker-idn-idn/"> draft-crocker-idn-idn </a> </li> <li> <a href="/doc/draft-crocker-idn-idna/"> draft-crocker-idn-idna </a> </li> <li> <a href="/doc/draft-crocker-abnf-v3/"> draft-crocker-abnf-v3 </a> </li> <li> <a href="/doc/draft-crocker-unique-assign/"> draft-crocker-unique-assign </a> </li> <li> <a href="/doc/draft-mrose-apex-presence/"> draft-mrose-apex-presence </a> </li> <li> <a href="/doc/draft-mrose-apex-core/"> draft-mrose-apex-core </a> </li> <li> <a href="/doc/draft-mrose-apex-access/"> draft-mrose-apex-access </a> </li> <li> <a href="/doc/draft-klyne-imxp-message-service/"> draft-klyne-imxp-message-service </a> </li> <li> <a href="/doc/draft-mrose-imxp-presence/"> draft-mrose-imxp-presence </a> </li> <li> <a href="/doc/draft-mrose-imxp-access/"> draft-mrose-imxp-access </a> </li> <li> <a href="/doc/draft-mrose-imxp-core/"> draft-mrose-imxp-core </a> </li> <li> <a href="/doc/draft-rosenberg-impp-differences/"> draft-rosenberg-impp-differences </a> </li> <li> <a href="/doc/draft-mrose-impp-common/"> draft-mrose-impp-common </a> </li> <li> <a href="/doc/draft-ietf-drums-abnf-v2/"> draft-ietf-drums-abnf-v2 </a> </li> <li> <a href="/doc/draft-prior-future-host-guidelines/"> draft-prior-future-host-guidelines </a> </li> <li> <a href="/doc/draft-ietf-fax-itudc/"> draft-ietf-fax-itudc </a> </li> <li> <a href="/doc/draft-iahc-gtldspec/"> draft-iahc-gtldspec </a> </li> <li> <a href="/doc/draft-faltstrom-macmime1-v2/"> draft-faltstrom-macmime1-v2 </a> </li> <li> <a href="/doc/draft-faltstrom-macmime2-v2/"> draft-faltstrom-macmime2-v2 </a> </li> <li> <a href="/doc/draft-ietf-smtpext-8bitmime/"> draft-ietf-smtpext-8bitmime </a> </li> <li> <a href="/doc/draft-crocker-cidrd-myth/"> draft-crocker-cidrd-myth </a> </li> <li> <a href="/doc/draft-crocker-headerset/"> draft-crocker-headerset </a> </li> <li> <a href="/doc/draft-crocker-stif/"> draft-crocker-stif </a> </li> <li> <a href="/doc/draft-crocker-pci/"> draft-crocker-pci </a> </li> <li> <a href="/doc/draft-crocker-ip-encaps/"> draft-crocker-ip-encaps </a> </li> <li> <a href="/doc/draft-ietf-ipae-ipv7-criteria/"> draft-ietf-ipae-ipv7-criteria </a> </li> <li> <a href="/doc/draft-ietf-ipae-new-ip/"> draft-ietf-ipae-new-ip </a> </li> <li> <a href="/doc/draft-rose-8bit/"> draft-rose-8bit </a> </li> <li> <a href="/doc/draft-rose-limit/"> draft-rose-limit </a> </li> </ul> (Excluding replaced Internet-Drafts.) <h2 class="mt-5"> Internet-Draft Activity </h2> <div id="chart-1"> </div> </div> </div> </main> <footer class="col-md-12 col-sm-12 border-top mt-5 py-5 bg-light-subtle text-center position-sticky"> <a href="https://www.ietf.org/" class="p-3">IETF</a> <a href="https://www.ietf.org/iesg/" class="p-3">IESG</a> <a 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