RFC 974: Mail routing and the domain system

This RFC presents a description of how mail systems on the Internet are expected to route messages based on information from the domain system. This involves…

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Incoming relationships (13 related RFCs)

Obsoleted by, Informatively referenced by — RFC 2821: Simple Mail Transfer Protocol
Informatively referenced by — RFC 2782: A DNS RR for specifying the location of services (DNS SRV)
Informatively referenced by — RFC 1123: Requirements for Internet Hosts - Application and Support
Informatively referenced by — RFC 1033: Domain Administrators Operations Guide
Informatively referenced by — RFC 2532: Extended Facsimile Using Internet Mail
Informatively referenced by — RFC 1001: Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methods
Informatively referenced by — RFC 1101: DNS encoding of network names and other types
Informatively referenced by — RFC 1426: SMTP Service Extension for 8bit-MIMEtransport
Informatively referenced by — RFC 5336: SMTP Extension for Internationalized Email Addresses
Informatively referenced by — RFC 1011: Official Internet protocols
Informatively referenced by — RFC 1912: Common DNS Operational and Configuration Errors
Informatively referenced by — RFC 991: Official ARPA-Internet protocols
Informatively referenced by — RFC 1427: SMTP Service Extension for Message Size Declaration