RFC 6758: Tunneling of SMTP Message Transfer Priorities

This memo defines a mechanism for tunneling of SMTP (Simple Mail Transfer Protocol) Message Transfer Priority values through MTAs (Message Transfer Agents)…

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Outgoing relationships (11 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 5322: Internet Message Format
Normative reference — RFC 5321: Simple Mail Transfer Protocol
Normative reference — RFC 3461: Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)
Normative reference — RFC 6409: Message Submission for Mail
Normative reference — RFC 6710: Simple Mail Transfer Protocol Extension for Message Transfer Priorities
Informative reference — RFC 822: STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
Informative reference — RFC 3207: SMTP Service Extension for Secure SMTP over Transport Layer Security
Informative reference — RFC 6376: DomainKeys Identified Mail (DKIM) Signatures
Informative reference — RFC 2156: MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME