A new Request for Comments is now available in online RFC libraries. RFC 8474 Title: IMAP Extension for Object Identifiers Author: B. Gondwana, Ed. Status: Standards Track Stream: IETF Date: September 2018 Mailbox: brong@fastmailteam.com Pages: 16 Characters: 29546 Updates: RFC 3501 I-D Tag: draft-ietf-extra-imap-objectid-08.txt URL: https://www.rfc-editor.org/info/rfc8474 DOI: 10.17487/RFC8474 This document updates RFC 3501 (IMAP4rev1) with persistent identifiers on mailboxes and messages to allow clients to more efficiently reuse cached data when resources have changed location on the server. This document is a product of the Email mailstore and eXtensions To Revise or Amend Working Group of the IETF. This is now a Proposed Standard. STANDARDS TRACK: This document specifies an Internet Standards Track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the Official Internet Protocol Standards (https://www.rfc-editor.org/standards) for the standardization state and status of this protocol. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/retrieve/bulk Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC