| 9911 | Common YANG Data TypesJ. Schönwälder, Ed. | Proposed Standard | December 2025 |
| 9873 | Additional Email Address Extension for the Extensible Provisioning Protocol (EPP)D. Belyavsky, J. Gould, S. Hollenbeck | Proposed Standard | October 2025 |
| 9787 | Guidance on End-to-End Email SecurityD. K. Gillmor, Ed., A. Melnikov, Ed., B. Hoeneisen, Ed. | Informational | August 2025 |
| 9755 | IMAP Support for UTF-8P. Resnick, J. Yao, A. Gulbrandsen | Proposed Standard | March 2025 |
| 9598 | Internationalized Email Addresses in X.509 CertificatesA. Melnikov, W. Chuang, C. Bonnell | Proposed Standard | May 2024 |
| 9477 | Complaint Feedback Loop Address HeaderJ. Benecke | Experimental | September 2023 |
| 9051 | Internet Message Access Protocol (IMAP) - Version 4rev2A. Melnikov, Ed., B. Leiba, Ed. | Proposed Standard | August 2021 |
| 8621 | The JSON Meta Application Protocol (JMAP) for MailN. Jenkins, C. Newman | Proposed Standard | August 2019 |
| 8617 | The Authenticated Received Chain (ARC) ProtocolK. Andersen, B. Long, Ed., S. Blank, Ed., M. Kucherawy, Ed. | Experimental | July 2019 |
| 8616 | Email Authentication for Internationalized MailJ. Levine | Proposed Standard | June 2019 |
| 8601 | Message Header Field for Indicating Message Authentication StatusM. Kucherawy | Proposed Standard | May 2019 |
| 8398 | Internationalized Email Addresses in X.509 CertificatesA. Melnikov, Ed., W. Chuang, Ed. · obsoleted by RFC 9598 | Proposed Standard | May 2018 |
| 8255 | Multiple Language Content TypeN. Tomkinson, N. Borenstein | Proposed Standard | October 2017 |
| 7815 | Minimal Internet Key Exchange Version 2 (IKEv2) Initiator ImplementationT. Kivinen | Informational | March 2016 |
| 7763 | The text/markdown Media TypeS. Leonard | Informational | March 2016 |
| 7542 | The Network Access IdentifierA. DeKok | Proposed Standard | May 2015 |
| 7508 | Securing Header Fields with S/MIMEL. Cailleux, C. Bonatti | Experimental | April 2015 |
| 7296 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen, T. Kivinen | Internet Standard | October 2014 |
| 7103 | Advice for Safe Handling of Malformed MessagesM. Kucherawy, G. Shapiro, N. Freed | Informational | January 2014 |
| 7017 | IMAP Access to IETF Email List ArchivesR. Sparks | Informational | August 2013 |
| 6943 | Issues in Identifier Comparison for Security PurposesD. Thaler, Ed. | Informational | May 2013 |
| 6857 | Post-Delivery Message Downgrading for Internationalized Email MessagesK. Fujiwara | Proposed Standard | March 2013 |
| 6856 | Post Office Protocol Version 3 (POP3) Support for UTF-8R. Gellens, C. Newman, J. Yao, K. Fujiwara | Proposed Standard | March 2013 |
| 6855 | IMAP Support for UTF-8P. Resnick, Ed., C. Newman, Ed., S. Shen, Ed. · obsoleted by RFC 9755 | Proposed Standard | March 2013 |
| 6838 | Media Type Specifications and Registration ProceduresN. Freed, J. Klensin, T. Hansen | Best Current Practice | January 2013 |
| 6778 | Requirements for Archiving IETF Email Lists and for Providing Web-Based Browsing and SearchingR. Sparks | Informational | October 2012 |
| 6533 | Internationalized Delivery Status and Disposition NotificationsT. Hansen, Ed., C. Newman, A. Melnikov | Proposed Standard | February 2012 |
| 6531 | SMTP Extension for Internationalized EmailJ. Yao, W. Mao | Proposed Standard | February 2012 |
| 6530 | Overview and Framework for Internationalized EmailJ. Klensin, Y. Ko | Proposed Standard | February 2012 |