RFC 3463: Enhanced Mail System Status Codes

This document defines a set of extended status codes for use within the mail system for delivery status reports, tracking, and improved diagnostics. In…

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Outgoing relationships (3 related RFCs)

Obsoletes, Normative reference — RFC 1893: Enhanced Mail System Status Codes
Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 3464: An Extensible Message Format for Delivery Status Notifications

Incoming relationships (21 related RFCs)

Updated by, Normatively referenced by — RFC 4954: SMTP Service Extension for Authentication
Updated by — RFC 4468: Message Submission BURL Extension
Updated by, Normatively referenced by — RFC 5248: A Registry for SMTP Enhanced Mail System Status Codes
Updated by, Normatively referenced by — RFC 3886: An Extensible Message Format for Message Tracking Responses
Updated by — RFC 4865: SMTP Submission Service Extension for Future Message Release
Normatively referenced by — RFC 3461: Simple Mail Transfer Protocol (SMTP) Service Extension for Delivery Status Notifications (DSNs)
Normatively referenced by — RFC 5598: Internet Mail Architecture
Normatively referenced by — RFC 3464: An Extensible Message Format for Delivery Status Notifications
Normatively referenced by — RFC 6531: SMTP Extension for Internationalized Email
Normatively referenced by — RFC 3459: Critical Content Multi-purpose Internet Mail Extensions (MIME) Parameter
Normatively referenced by — RFC 5336: SMTP Extension for Internationalized Email Addresses
Normatively referenced by — RFC 3773: High-Level Requirements for Internet Voice Mail
Normatively referenced by — RFC 4141: SMTP and MIME Extensions for Content Conversion
Normatively referenced by — RFC 4356: Mapping Between the Multimedia Messaging Service (MMS) and Internet Mail
Normatively referenced by — RFC 7960: Interoperability Issues between Domain-based Message Authentication, Reporting, and Conformance (DMARC) and Indirect Email Flows
Normatively referenced by — RFC 3865: A No Soliciting Simple Mail Transfer Protocol (SMTP) Service Extension
Normatively referenced by — RFC 4239: Internet Voice Messaging (IVM)
Informatively referenced by — RFC 4409: Message Submission for Mail
Informatively referenced by — RFC 6409: Message Submission for Mail
Informatively referenced by — RFC 6377: DomainKeys Identified Mail (DKIM) and Mailing Lists
Informatively referenced by — RFC 7293: The Require-Recipient-Valid-Since Header Field and SMTP Service Extension