Internet Message Access Protocol
RFC 4467 - Internet Message Access Protocol (IMAP) - URLAUTH Extension
RFC 4466 - Collected Extensions to IMAP4 ABNF
RFC 4416 - Goals for Internet Messaging to Support Diverse Service Environments
RFC 4315 - Internet Message Access Protocol (IMAP) - UIDPLUS extension
RFC 4314 - IMAP4 Access Control List (ACL) Extension
RFC 3691 - IMAP UNSELECT command
RFC 3516 - IMAP4 Binary Content Extension
RFC 3503 - Message Disposition Notification (MDN) profile for IMAP
RFC 3502 - IMAP MULTIAPPEND Extension
RFC 3501 - INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
RFC 3348 - IMAP4 Child Mailbox Extension
RFC 2971 - IMAP4 ID extension