rfc-4021

Registration of Mail and MIME Header Fields

G. Klyne, J. Palme

date2005-03 streamIETF wgnon working group statusPROPOSED STANDARD pages54 canonicalhttps://www.rfc-editor.org/rfc/rfc4021 doi10.17487/RFC4021

This document defines the initial IANA registration for permanent mail and MIME message header fields, per RFC 3864. [STANDARDS-TRACK]