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        RFC 1405:

        Title:      Mapping between X.400(1984/1988) and Mail-11
                    (DECnet mail)
        Author:     C. Allocchio
        Mailbox:    Claudio.Allocchio@elettra.Trieste.it
        Pages:      19
        Characters: 33,885
        Updates/Obsoletes:  none


This document describes a set of mappings which will enable inter
working between systems operating the CCITT X.400 ( 1984 / 1988 )
Recommendations on Message Handling Systems, and systems running the
Mail-11 (also known as DECnet mail) protocol.  The specifications are
valid within DECnet Phase IV addressing and routing scheme.  The
complete scenario of X.400 / RFC822 / Mail-11 is also considered, in
order to cover the possible complex cases arising in multiple gateway
translations.  This document covers mainly the O/R address to DECnet
from/to address mapping (and vice versa); other mappings are based on
RFC 1327 and its eventual future updates.

This is a combined effort of COSINE S2.2, the RARE MSG Working Group,
and the X.400 Ops Working Group of the Internet Engineering Task Force
(IETF).

This memo defines an Experimental Protocol for the Internet community.
Discussion and suggestions for improvement are requested.  Please
refer to the current edition of the "IAB Official Protocol Standards"
for the standardization state and status of this protocol.
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Joyce K. Reynolds
USC/Information Sciences Institute