Internet Message Access Protocol Extension (imapext)

Last Modified: 2008-06-17

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Description of Working Group:

The IETF IMAP extensions Working Group shall revise and publish
standards-track extensions to IMAP4 for performing the following

1. Sorting, threading, and viewing (to be dealt with by one or more

2. Access Control Lists

3. Message-level annotations

Revising the base IMAP4rev1 specification is out of the scope of this
WG. However, this WG will ensure that whatever extensions it does
propose do not worsen any existing problems in the base specification
of IMAP, nor do they make any such problems harder to address in the

Goals and Milestones:

Done    Submit revised Sorting/Threading/Viewing spec(s) to IESG
Done    Submit draft on conditional storage to help multiple clients use a single mailbox to IESG
Done    Submit I-D to *update* existing ACL RFC, explaining rights & listing rights in CAPABILITY response
Done    WG last call for comparator draft
Done    WG Last call for annotate draft
Done    Submit to IESG: comparator
Done    WG last call for i18n draft
Done    WG last call for LIST extensions draft, defining syntax allowing much better extensibility in the frequently-extended LIST command, and supporting other drafts in this WG
Done    Submit to IESG: annotate
Done    Submit to IESG: i18n
Done    Submit to IESG: List Extensions
May 2008    New draft of ACL2 proposal which would *obsolete* existing ACL RFC
Jul 2008    ACL2 to WG Last Call--note that if this milestone is not met we agreed to close the WG and defer ACL2 to another WG

Request For Comments:

IMAP4 Access Control List (ACL) Extension (RFC 4314) (56599 bytes) obsoletes RFC 2086
IMAP Extension for Conditional STORE Operation or Quick Flag Changes Resynchronization (RFC 4551) (50265 bytes) updates RFC 3501
Internet Message Access Protocol Internationalization (RFC 5255) (41403 bytes)
Internet Message Access Protocol - SORT and THREAD Extensions (RFC 5256) (40779 bytes)
Internet Message Access Protocol - ANNOTATE Extension (58786 bytes)
Internet Message Access Protocol version 4 - LIST Command Extensions (RFC 5258) (65074 bytes)