Document Action: 'IMAP Extension for only using and returning UIDs' to Experimental RFC (draft-ietf-extra-imap-uidonly-08.txt)
The IESG <iesg-secretary@ietf.org> Thu, 04 April 2024 17:50 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Document Action: 'IMAP Extension for only using and returning UIDs' to Experimental RFC (draft-ietf-extra-imap-uidonly-08.txt)
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Cc: The IESG <iesg@ietf.org>, draft-ietf-extra-imap-uidonly@ietf.org, extra-chairs@ietf.org, extra@ietf.org, murch@fastmailteam.com, rfc-editor@rfc-editor.org, superuser@gmail.com
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Date: Thu, 04 Apr 2024 10:50:57 -0700
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The IESG has approved the following document: - 'IMAP Extension for only using and returning UIDs' (draft-ietf-extra-imap-uidonly-08.txt) as Experimental RFC This document is the product of the Email mailstore and eXtensions To Revise or Amend Working Group. The IESG contact persons are Murray Kucherawy and Orie Steele. A URL of this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-extra-imap-uidonly/ Technical Summary The UIDONLY extension to the Internet Message Access Protocol (RFC 3501/RFC 9051) allows clients to enable a mode in which information about mailbox changes is returned using only UIDs. Message numbers are not returned in responses, and can't be used in requests once this extension is enabled. This helps both clients and servers to reduce resource usage required to maintain a map between message numbers and UIDs. Working Group Summary Broad agreement. This document went through several iterations based on feedback from multiple people both on the mailing list and during IETF meetings. The reviewers combine vast IMAP implementation and operational experience. The Last Call failed to identify RFC 3501 as a normative downward reference. That document, though Informational, has been the IMAP standard for many years, so I don't expect this oversight to be contentious, and it should be added to the downref registry. However, I'll repeat the Last Call with that correction if there are any objections. Document Quality There is a server implementation from a major vendor (Yahoo!) deployed and interoperating with client implementations from Google, Microsoft, and FairEmail. Another server implementation (Cyrus) and a client implementation (Isode) are being developed. None of the existing implementations are reported in this document but the source code of the Cyrus implementation is available on GitHub. No particular additional reviews are warranted. Personnel The Document Shepherd for this document is Kenneth Murchison. The Responsible Area Director is Murray Kucherawy.