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Network Working Group S. Sluizer
Request for Comments: 786 J. Postel
ISI
July 1981

MAIL TRANSFER PROTOCOL:
ISI TOPS20 MTP-NIMAIL INTERFACE


INTRODUCTION

This document defines the ISI TOPS20s interface between the Mail
Transfer Protocol (MTP) and the Network Independent Mail Protocol
(NIMAIL) in terms of the files which implement it. The internal
structure and name of each file is described below.

For a complete understanding of the MTP protocol as well as the terms
used within this document, see RFC 780 "Mail Transfer Protocol", RFC
784 "ISI TOPS20 Implementation", and RFC 785 "ISI TOPS20 File
Defintitions". The NIMAIL is documented in IEN 169, "A Simple
NIFTP-Based Mail System".

DESCRIPTION

1. NIMAIL to MTP

NIMAIL will present mail for processing by MTP using the files
specified in RFC 785.

2. MTP to NIMAIL

MTP will present mail for processing by NIMAIL in files of the
following form:

address
address
address

Via: USC-ISIE; date-time
header
.
.
.

body
.
.
.

Where each address is of the form:




Sluizer & Postel Page [1]



July 1981 RFC 786
ISI TOPS20 MTP-NIMAIL Interface



user%host%host%host@host

And each address in the same file has the same "@host" part.

The date-time will be in the default TOPS20 ODTIM format
"dd-mmm-yy hh:mm:ss" (24 hour time).

The files will named "arbitrary.NIMAIL.-1", where "arbitrary" will
be somesort of date-time encoding for human uses. The NIMAIL will
not care in the least what the "arbitrary" part is. These files
will be placed into the NIMAIL directory on ISIE.

DISCUSSION

The NIMAIL and MTP will each perform a transformation of the address
information to create the appropriate input for the other system.

NIMAIL to MTP

The mail that arrives at NIMAIL with the information

joe%hostx%hosty%hostz@isie

will be presented to MTP with the information

FROM:
TO: <@hostz,@hosty,joe@hostx>

MTP to NIMAIL

The mail that arrives at MTP with the information

FROM:
TO: <@ISIE,@hostz,@hosty,joe@hostx>

will be presented to NIMAIL with the information

joe%hostx%hosty@hostz

Via: ISIE









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