| 9051 | Internet Message Access Protocol (IMAP) - Version 4rev2A. Melnikov, Ed., B. Leiba, Ed. | Proposed Standard | August 2021 |
| 5530 | IMAP Response CodesA. Gulbrandsen | Proposed Standard | May 2009 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 3965 | A Simple Mode of Facsimile Using Internet MailK. Toyoda, H. Ohno, J. Murai, D. Wing | Draft Standard | December 2004 |
| 3501 | INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1M. Crispin · obsoleted by RFC 9051 | Proposed Standard | March 2003 |
| 3461 | Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)K. Moore | Draft Standard | January 2003 |
| 3348 | The Internet Message Action Protocol (IMAP4) Child Mailbox ExtensionM. Gahrns, R. Cheng | Informational | July 2002 |
| 3163 | ISO/IEC 9798-3 Authentication SASL MechanismR. Zuccherato, M. Nystrom | Experimental | August 2001 |
| 3028 | Sieve: A Mail Filtering LanguageT. Showalter · obsoleted by RFC 5228, RFC 5429 | Proposed Standard | January 2001 |
| 3023 | XML Media TypesM. Murata, S. St. Laurent, D. Kohn · obsoleted by RFC 7303 | Proposed Standard | January 2001 |
| 2971 | IMAP4 ID extensionT. Showalter | Proposed Standard | October 2000 |
| 2831 | Using Digest Authentication as a SASL MechanismP. Leach, C. Newman · obsoleted by RFC 6331 | Historic | May 2000 |
| 2828 | Internet Security GlossaryR. Shirey · obsoleted by RFC 4949 | Informational | May 2000 |
| 2808 | The SecurID(r) SASL MechanismM. Nystrom | Informational | April 2000 |
| 2683 | IMAP4 Implementation RecommendationsB. Leiba | Informational | September 1999 |
| 2595 | Using TLS with IMAP, POP3 and ACAPC. Newman | Proposed Standard | June 1999 |
| 2532 | Extended Facsimile Using Internet MailL. Masinter, D. Wing | Proposed Standard | March 1999 |
| 2449 | POP3 Extension MechanismR. Gellens, C. Newman, L. Lundblade | Proposed Standard | November 1998 |
| 2444 | The One-Time-Password SASL MechanismC. Newman | Proposed Standard | October 1998 |
| 2384 | POP URL SchemeR. Gellens | Proposed Standard | August 1998 |
| 2359 | IMAP4 UIDPLUS extensionJ. Myers · obsoleted by RFC 4315 | Proposed Standard | June 1998 |
| 2342 | IMAP4 NamespaceM. Gahrns, C. Newman | Proposed Standard | May 1998 |
| 2305 | A Simple Mode of Facsimile Using Internet MailK. Toyoda, H. Ohno, J. Murai, D. Wing · obsoleted by RFC 3965 | Proposed Standard | March 1998 |
| 2299 | Request for Comments SummaryA. Ramos | Informational | January 1999 |
| 2245 | Anonymous SASL MechanismC. Newman · obsoleted by RFC 4505 | Proposed Standard | November 1997 |
| 2244 | ACAP -- Application Configuration Access ProtocolC. Newman, J. G. Myers | Proposed Standard | November 1997 |
| 2231 | MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and ContinuationsN. Freed, K. Moore | Proposed Standard | November 1997 |
| 2222 | Simple Authentication and Security Layer (SASL)J. Myers · obsoleted by RFC 4422, RFC 4752 | Proposed Standard | October 1997 |
| 2221 | IMAP4 Login ReferralsM. Gahrns | Proposed Standard | October 1997 |
| 2199 | Request for Comments Summary RFC Numbers 2100-2199A. Ramos | Informational | January 1998 |
| 2195 | IMAP/POP AUTHorize Extension for Simple Challenge/ResponseJ. Klensin, R. Catoe, P. Krumviede | Proposed Standard | September 1997 |
| 2193 | IMAP4 Mailbox ReferralsM. Gahrns | Proposed Standard | September 1997 |
| 2192 | IMAP URL SchemeC. Newman · obsoleted by RFC 5092 | Proposed Standard | September 1997 |
| 2184 | MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and ContinuationsN. Freed, K. Moore · obsoleted by RFC 2231 | Proposed Standard | August 1997 |
| 2180 | IMAP4 Multi-Accessed Mailbox PracticeM. Gahrns | Informational | July 1997 |
| 2177 | IMAP4 IDLE commandB. Leiba | Proposed Standard | June 1997 |
| 2099 | Request for Comments Summary RFC Numbers 2000-2099J. Elliott | Informational | March 1997 |
| 2095 | IMAP/POP AUTHorize Extension for Simple Challenge/ResponseJ. Klensin, R. Catoe, P. Krumviede · obsoleted by RFC 2195 | Proposed Standard | January 1997 |
| 2061 | IMAP4 Compatibility with IMAP2bisM. Crispin | Informational | December 1996 |