Internet Message Access Protocol
RFC 2086 - IMAP4 ACL extension (RFC 4314によって改訂)
RFC 2061 - IMAP4 COMPATIBILITY WITH IMAP2BIS
RFC 2060 - INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1 (RFC 3501によって改訂)
RFC 1733 - DISTRIBUTED ELECTRONIC MAIL MODELS IN IMAP4
RFC 1732 - IMAP4 COMPATIBILITY WITH IMAP2 AND IMAP2BIS
RFC 1731 - IMAP4 Authentication Mechanisms
RFC 1730 - INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4 (RFC 2060によって改訂)
RFC 1203 - INTERACTIVE MAIL ACCESS PROTOCOL - VERSION 3
RFC 1176 - INTERACTIVE MAIL ACCESS PROTOCOL - VERSION 2
RFC 1064 - INTERACTIVE MAIL ACCESS PROTOCOL - VERSION 2 (RFC 1176, RFC 1203によって改訂)
RFC 5464 - The IMAP METADATA Extension
RFC 5258 - Internet Message Access Protocol version 4 - LIST Command Extensions
RFC 5257 - Internet Message Access Protocol - ANNOTATE Extension
RFC 5256 - Internet Message Access Protocol - SORT and THREAD Extensions
RFC 5255 - Internet Message Access Protocol Internationalization
RFC 5182 - IMAP Extension for Referencing the Last SEARCH Result
RFC 5162 - IMAP4 Extensions for Quick Mailbox Resynchronization
RFC 5161 - The IMAP ENABLE Extension
RFC 5092 - IMAP URL Scheme
RFC 5032 - WITHIN Search Extension to the IMAP Protocol
RFC 4978 - The IMAP COMPRESS Extension
Courier-IMAP
UW IMAP
Cyrus IMAP server
Dovecot