rfc-1838
Use of the X.500 Directory to support mapping between X.400 and RFC 822 Addresses
This document defines how to use directory to support the mapping between X.400 O/R Addresses and mailboxes defined in RFC 1327 [2]. This memo defines an Experimental Protocol for the Internet community.
obsoleted by
- rfc-2164 — Use of an X.500/LDAP directory to support MIXER address mapping