RFC 9477: Complaint Feedback Loop Address Header

This document describes a method that allows a Message Originator to specify a Complaint Feedback Loop (CFBL) address as a message header field. It also…

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Outgoing relationships (12 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 5322: Internet Message Format
Normative reference — RFC 6532: Internationalized Email Headers
Normative reference — RFC 7405: Case-Sensitive String Support in ABNF
Normative reference — RFC 5965: An Extensible Format for Email Feedback Reports
Normative reference — RFC 6449: Complaint Feedback Loop Operational Recommendations
Informative reference — RFC 2104: HMAC: Keyed-Hashing for Message Authentication
Informative reference — RFC 3864: Registration Procedures for Message Header Fields
Informative reference — RFC 6590: Redaction of Potentially Sensitive Data from Mail Abuse Reports
Informative reference — RFC 8058: Signaling One-Click Functionality for List Email Headers