RFC 1664: Using the Internet DNS to Distribute RFC1327 Mail Address Mapping Tables

This memo defines how to store in the Internet Domain Name System the mapping information needed by e-mail gateways and other tools to map RFC822 domain names…

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Outgoing relationships (5 related RFCs)

Informative reference — RFC 1035: Domain names - implementation and specification
Informative reference — RFC 1034: Domain names - concepts and facilities
Informative reference — RFC 822: STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES
Informative reference — RFC 1327: Mapping between X.400(1988) / ISO 10021 and RFC 822
Informative reference — RFC 1033: Domain Administrators Operations Guide

Incoming relationships (2 related RFCs)

Obsoleted by — RFC 2163: Using the Internet DNS to Distribute MIXER Conformant Global Address Mapping (MCGAM)
Informatively referenced by — RFC 1700: Assigned Numbers