The IESG has received a request from the Email mailstore and eXtensions To Revise or Amend WG (extra) to consider the following document: - 'IMAP Extension for object identifiers' <draft-ietf-extra-imap-objectid-03.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2018-07-13. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract This document updates RFC3501 (IMAP4rev1) with persistent identifiers on mailboxes and messages to allow clients to more efficiently re-use cached data when resources have changed location on the server. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-extra-imap-objectid/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-extra-imap-objectid/ballot/ No IPR declarations have been submitted directly on this I-D.