https://app.kbone.net/vault/rfc/docid/823
RFC9586: IMAP Extension for Using and Returning Unique Identifiers (UIDs) Only
Internet Engineering Task Force (IETF) A. Melnikov Request for Comments: 9586 Isode Category: Experimental A. P. Achuthan ISSN: 2070-1721 V. Nagulakonda ...