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date: Mon, 14 Jul 2025 17:02:51 GMT
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Information on RFC 4021 » RFC Editor
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RFC 4021
Registration of Mail and MIME Header Fields, March 2005
- File formats:
- Status:
- PROPOSED STANDARD
- Updated by:
- RFC 5322
- Authors:
- G. Klyne
J. Palme - Stream:
- IETF
- Source:
- NON WORKING GROUP
Cite this RFC: TXT | XML | BibTeX
DOI: https://doi.org/10.17487/RFC4021
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Abstract
This document defines the initial IANA registration for permanent mail and MIME message header fields, per RFC 3864. [STANDARDS-TRACK]
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.
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