RFC 4407: Purported Responsible Address in E-Mail Messages

This document defines an algorithm by which, given an e-mail message, one can extract the identity of the party that appears to have most proximately caused…

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Outgoing relationships (3 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 2822: Internet Message Format
Informative reference — RFC 4406: Sender ID: Authenticating E-Mail

Incoming relationships (7 related RFCs)

Normatively referenced by — RFC 4406: Sender ID: Authenticating E-Mail
Normatively referenced by — RFC 4405: SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
Normatively referenced by — RFC 6686: Resolution of the Sender Policy Framework (SPF) and Sender ID Experiments
Informatively referenced by — RFC 5518: Vouch By Reference
Informatively referenced by — RFC 5039: The Session Initiation Protocol (SIP) and Spam
Informatively referenced by — RFC 5585: DomainKeys Identified Mail (DKIM) Service Overview
Informatively referenced by — RFC 7601: Message Header Field for Indicating Message Authentication Status