{"draft":"draft-klyne-hdrreg-mail-05","doc_id":"RFC4021","title":" Registration of Mail and MIME Header Fields ","authors":["G. Klyne","J. Palme"],"format":["ASCII","HTML"],"page_count":"54","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IETF - NON WORKING GROUP","abstract":" This document defines the initial IANA registration for permanent mail and MIME message header fields, per RFC 3864.  [STANDARDS-TRACK]","pub_date":"February 2005","keywords":["IANA "],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC5322"],"see_also":[],"doi":"10.17487\/RFC4021","errata_url":null}