RFCs conformed
IMAP4
- RFC 9051 - Internet Message Access Protocol (IMAP) - Version 4rev2
- RFC 3501 - Internet Message Access Protocol (IMAP) - Version 4rev1
- RFC 2180 - Multi-Accessed Mailbox Practice
- RFC 2683 - Implementation Recommendations
- RFC 8314 - Use of Transport Layer Security (TLS) for Email Submission and Access
IMAP4 Extensions
- RFC 2177 - IDLE command
- RFC 2342 - Namespace
- RFC 2971 - ID extension
- RFC 3348 - Child Mailbox Extension
- RFC 3502 - MULTIAPPEND Extension
- RFC 3516 - Binary Content Extension
- RFC 3691 - UNSELECT command
- RFC 4314 - Access Control List (ACL) Extension
- RFC 4315 - UIDPLUS extension
- RFC 4466 - Collected Extensions to IMAP4 ABNF
- RFC 4731 - SEARCH Command for Controlling What Kind of Information Is Returned
- RFC 4959 - Simple Authentication and Security Layer (SASL) Initial Client Response
- RFC 5032 - WITHIN Search Extension to the IMAP Protocol
- RFC 5161 - ENABLE Extension
- RFC 5182 - Extension for Referencing the Last SEARCH Result
- RFC 5256 - SORT and THREAD Extensions
- RFC 5258 - LIST Command Extensions
- RFC 5267 - Contexts for IMAP4 (ESORT and CONTEXT)
- RFC 5530 - Response Codes
- RFC 5819 - STATUS Information in Extended LIST
- RFC 5957 - Display-Based Address Sorting for the IMAP4 SORT Extension
- RFC 6154 - LIST Extension for Special-Use Mailboxes
- RFC 6851 - MOVE Extension
- RFC 6855 - Support for UTF-8
- RFC 7162 - Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)
- RFC 7628 - SASL Mechanisms for OAuth
- RFC 7888 - Non-synchronizing Literals
- RFC 8437 - UNAUTHENTICATE Extension for Connection Reuse
- RFC 8438 - Extension for STATUS=SIZE
- RFC 8457 - “$Important” Keyword and “\Important” Special-Use Attribute
- RFC 8474 - Extension for Object Identifiers
- RFC 8970 - Message Preview Generation
- RFC 822 - Standard for ARPA Internet Text Messages
- RFC 5322 - Internet Message Format
- RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
- RFC 2046 - Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
- RFC 2047 - MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
- RFC 2048 - Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
- RFC 2049 - Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples
- RFC 2231 - MIME Parameter Value and Encoded Word Extensions: Character Sets, Languages, and Continuations
- RFC 2557 - MIME Encapsulation of Aggregate Documents, such as HTML (MHTML)
- RFC 2183 - Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field
- RFC 2392 - Content-ID and Message-ID Uniform Resource Locators
- RFC 3282 - Content Language Headers
- RFC 6532 - Internationalized Email Headers
- RFC 2152 - UTF-7 - A Mail-Safe Transformation Format of Unicode
- RFC 2369 - The Use of URLs as Meta-Syntax for Core Mail List Commands and their Transport through Message Header Fields
- RFC 2919 - List-Id: A Structured Field and Namespace for the Identification of Mailing Lists
- RFC 3339 - Date and Time on the Internet: Timestamps
Planned Extensions
- RFC 2087 - IMAP4 QUOTA extension
- RFC 2192 - IMAP URL Scheme
- RFC 4467 - URLAUTH Extension
- RFC 4469 - IMAP CATENATE Extension
- RFC 4978 - IMAP COMPRESS Extension
- RFC 5255 - IMAP Internationalization
- RFC 5465 - IMAP NOTIFY Extension
- RFC 5524 - Extended URLFETCH for Binary and Converted Parts
- RFC 6785 - Support for IMAP Events in Sieve