https://app.knowbase.one/vault/rfc/docid/1504
RFC1341: MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies
Network Working Group N. Borenstein, Bellcore Request for Comments: 1341 N. Freed, Innosoft June 1992 MIME (Multipurpose Internet Mail Extensions): ...
https://app.knowbase.one/vault/rfc/docid/3880
RFC3516: IMAP4 Binary Content Extension
Network Working Group L. Nerenberg Request for Comments: 3516 Orthanc Systems Category: Standards Track April 2003 IMAP4 Binary Content Extension Status of this Memo ...