| 9990 | Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Aggregate ReportingA. Brotman, Ed. | Proposed Standard | May 2026 |
| 9989 | Domain-Based Message Authentication, Reporting, and Conformance (DMARC)T. Herr, Ed., J. Levine, Ed. | Proposed Standard | May 2026 |
| 9228 | Delivered-To Email Header FieldD. Crocker, Ed. | Experimental | April 2022 |
| 9091 | Experimental Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Extension for Public Suffix DomainsS. Kitterman, T. Wicinski, Ed. · obsoleted by RFC 9989 | Experimental | July 2021 |
| 9078 | Reaction: Indicating Summary Reaction to a MessageD. Crocker, R. Signes, N. Freed | Experimental | August 2021 |
| 9057 | Email Author Header FieldD. Crocker | Experimental | June 2021 |
| 8904 | DNS Whitelist (DNSWL) Email Authentication Method ExtensionA. Vesely | Informational | September 2020 |
| 8689 | SMTP Require TLS OptionJ. Fenton | Proposed Standard | November 2019 |
| 8617 | The Authenticated Received Chain (ARC) ProtocolK. Andersen, B. Long, Ed., S. Blank, Ed., M. Kucherawy, Ed. | Experimental | July 2019 |
| 8601 | Message Header Field for Indicating Message Authentication StatusM. Kucherawy | Proposed Standard | May 2019 |
| 8494 | Multicast Email (MULE) over Allied Communications Publication (ACP) 142D. Wilson, A. Melnikov, Ed. | Informational | November 2018 |
| 8098 | Message Disposition NotificationT. Hansen, Ed., A. Melnikov, Ed. | Internet Standard | February 2017 |
| 7960 | Interoperability Issues between Domain-based Message Authentication, Reporting, and Conformance (DMARC) and Indirect Email FlowsF. Martin, Ed., E. Lear, Ed., T. Draegen, Ed., E. Zwicky, Ed., K. Andersen, Ed. | Informational | September 2016 |
| 7749 | The "xml2rfc" Version 2 VocabularyJ. Reschke · obsoleted by RFC 7991 | Informational | February 2016 |
| 7672 | SMTP Security via Opportunistic DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS)V. Dukhovni, W. Hardaker | Proposed Standard | October 2015 |
| 7601 | Message Header Field for Indicating Message Authentication StatusM. Kucherawy · obsoleted by RFC 8601 | Proposed Standard | August 2015 |
| 7508 | Securing Header Fields with S/MIMEL. Cailleux, C. Bonatti | Experimental | April 2015 |
| 7505 | A "Null MX" No Service Resource Record for Domains That Accept No MailJ. Levine, M. Delany | Proposed Standard | June 2015 |
| 7489 | Domain-based Message Authentication, Reporting, and Conformance (DMARC)M. Kucherawy, Ed., E. Zwicky, Ed. · obsoleted by RFC 9989, RFC 9990, RFC 9991 | Informational | March 2015 |
| 7435 | Opportunistic Security: Some Protection Most of the TimeV. Dukhovni | Informational | December 2014 |
| 7293 | The Require-Recipient-Valid-Since Header Field and SMTP Service ExtensionW. Mills, M. Kucherawy | Proposed Standard | July 2014 |
| 7208 | Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1S. Kitterman | Proposed Standard | April 2014 |
| 7103 | Advice for Safe Handling of Malformed MessagesM. Kucherawy, G. Shapiro, N. Freed | Informational | January 2014 |
| 7073 | A Reputation Response Set for Email IdentifiersN. Borenstein, M. Kucherawy | Proposed Standard | November 2013 |
| 7070 | An Architecture for Reputation ReportingN. Borenstein, M. Kucherawy | Proposed Standard | November 2013 |
| 7001 | Message Header Field for Indicating Message Authentication StatusM. Kucherawy · obsoleted by RFC 7601 | Proposed Standard | September 2013 |
| 6710 | Simple Mail Transfer Protocol Extension for Message Transfer PrioritiesA. Melnikov, K. Carlberg | Proposed Standard | August 2012 |
| 6652 | Sender Policy Framework (SPF) Authentication Failure Reporting Using the Abuse Reporting FormatS. Kitterman | Proposed Standard | June 2012 |
| 6651 | Extensions to DomainKeys Identified Mail (DKIM) for Failure ReportingM. Kucherawy | Proposed Standard | June 2012 |
| 6650 | Creation and Use of Email Feedback Reports: An Applicability Statement for the Abuse Reporting Format (ARF)J. Falk, M. Kucherawy, Ed. | Proposed Standard | June 2012 |
| 6647 | Email Greylisting: An Applicability Statement for SMTPM. Kucherawy, D. Crocker | Proposed Standard | June 2012 |
| 6591 | Authentication Failure Reporting Using the Abuse Reporting FormatH. Fontana | Proposed Standard | April 2012 |
| 6541 | DomainKeys Identified Mail (DKIM) Authorized Third-Party SignaturesM. Kucherawy | Experimental | February 2012 |
| 6531 | SMTP Extension for Internationalized EmailJ. Yao, W. Mao | Proposed Standard | February 2012 |
| 6449 | Complaint Feedback Loop Operational RecommendationsJ. Falk, Ed. | Informational | November 2011 |
| 6377 | DomainKeys Identified Mail (DKIM) and Mailing ListsM. Kucherawy | Best Current Practice | September 2011 |
| 6376 | DomainKeys Identified Mail (DKIM) SignaturesD. Crocker, Ed., T. Hansen, Ed., M. Kucherawy, Ed. | Internet Standard | September 2011 |
| 6186 | Use of SRV Records for Locating Email Submission/Access ServicesC. Daboo | Proposed Standard | March 2011 |
| 6120 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre | Proposed Standard | March 2011 |
| 6047 | iCalendar Message-Based Interoperability Protocol (iMIP)A. Melnikov, Ed. | Proposed Standard | December 2010 |
| 5965 | An Extensible Format for Email Feedback ReportsY. Shafranovich, J. Levine, M. Kucherawy | Proposed Standard | August 2010 |
| 5550 | The Internet Email to Support Diverse Service Environments (Lemonade) ProfileD. Cridland, Ed., A. Melnikov, Ed., S. Maes, Ed. | Proposed Standard | August 2009 |