RFC 9422: The LIMITS SMTP Service Extension

This document defines a LIMITS extension for the Simple Mail Transfer Protocol (SMTP), including submission, as well as the Local Mail Transfer Protocol…

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Outgoing relationships (10 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 8174: Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words
Normative reference — RFC 5234: Augmented BNF for Syntax Specifications: ABNF
Normative reference — RFC 2920: SMTP Service Extension for Command Pipelining
Informative reference — RFC 5321: Simple Mail Transfer Protocol
Informative reference — RFC 3207: SMTP Service Extension for Secure SMTP over Transport Layer Security
Informative reference — RFC 6409: Message Submission for Mail
Informative reference — RFC 2033: Local Mail Transfer Protocol
Informative reference — RFC 4954: SMTP Service Extension for Authentication
Informative reference — RFC 1870: SMTP Service Extension for Message Size Declaration