RFC 6477: Registration of Military Message Handling System (MMHS) Header Fields for Use in Internet Mail

A Military Message Handling System (MMHS) processes formal messages ensuring release, distribution, security, and timely delivery across national and…

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Outgoing relationships (9 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 5234: Augmented BNF for Syntax Specifications: ABNF
Normative reference — RFC 5652: Cryptographic Message Syntax (CMS)
Normative reference — RFC 5322: Internet Message Format
Normative reference — RFC 3864: Registration Procedures for Message Header Fields
Normative reference — RFC 6376: DomainKeys Identified Mail (DKIM) Signatures
Normative reference — RFC 2156: MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME
Informative reference — RFC 5751: Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message Specification
Informative reference — RFC 2634: Enhanced Security Services for S/MIME