MIXER (Mime Internet X.400 Enhanced Relay): Mapping between X.400 and RFC 822/MIME
RFC 2156
| Document | Type |
RFC - Proposed Standard
(January 1998; No errata)
Updates RFC 822
|
|
|---|---|---|---|
| Last updated | 2013-03-02 | ||
| Stream | IETF | ||
| Formats | plain text html pdf htmlized bibtex | ||
| Stream | WG state | (None) | |
| Document shepherd | No shepherd assigned | ||
| IESG | IESG state | RFC 2156 (Proposed Standard) | |
| Consensus Boilerplate | Unknown | ||
| Telechat date | |||
| Responsible AD | (None) | ||
| Send notices to | (None) | ||
Network Working Group S. Kille
Request for Comments: 2156 Isode Ltd.
Obsoletes: 987, 1026, 1138, 1148, 1327, 1495 January 1998
Updates: 822
Category: Standards Track
MIXER (Mime Internet X.400 Enhanced Relay):
Mapping between X.400 and RFC 822/MIME
Status of this Memo
This document specifies an Internet standards track protocol for the
Internet community, and requests discussion and suggestions for
improvements. Please refer to the current edition of the "Internet
Official Protocol Standards" (STD 1) for the standardization state
and status of this protocol. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (1998). All Rights Reserved.
Table of Contents
1 - Overview ...................................... 3
1.1 - X.400 ......................................... 3
1.2 - RFC 822 and MIME .............................. 3
1.3 - The need for conversion ....................... 4
1.4 - General approach .............................. 4
1.5 - Gatewaying Model .............................. 5
1.6 - Support of X.400 (1984) ....................... 8
1.7 - X.400 (1992) .................................. 8
1.8 - MIME .......................................... 8
1.9 - Body Parts .................................... 8
1.10 - Local and Global Scenarios .................... 9
1.11 - Compatibility with previous versions .......... 10
1.12 - Aspects not covered ........................... 10
1.13 - Subsetting .................................... 11
1.14 - Specification Language ........................ 11
1.15 - Related Specifications ........................ 11
1.16 - Document Structure ............................ 12
1.17 - Acknowledgements .............................. 12
2 - Service Elements .............................. 13
2.1 - The Notion of Service Across a Gateway ........ 13
2.2 - RFC 822 ....................................... 15
2.3 - X.400 ......................................... 18
3 - Basic Mappings ................................ 27
3.1 - Notation ...................................... 27
Kille Standards Track [Page 1]
RFC 2156 MIXER January 1998
3.2 - ASCII and IA5 ................................. 29
3.3 - Standard Types ................................ 29
3.4 - Encoding ASCII in Printable String ............ 33
3.5 - RFC 1522 ...................................... 34
4 - Addressing and Message IDs .................... 35
4.1 - A textual representation of MTS.ORAddress ..... 36
4.2 - Global Address Mapping ........................ 43
4.3 - EBNF.822-address <-> MTS.ORAddress ............ 46
4.4 - Repeated Mappings ............................. 59
4.5 - Directory Names ............................... 62
4.6 - MTS Mappings .................................. 62
4.7 - IPMS Mappings ................................. 67
5 - Detailed Mappings ............................. 71
5.1 - RFC 822 -> X.400: Detailed Mappings ........... 71
5.2 - Return of Contents ............................ 86
5.3 - X.400 -> RFC 822: Detailed Mappings ........... 86
Appendix A - Mappings Specific to SMTP ..................... 114
1 - Probes ........................................ 114
2 - Long Lines .................................... 114
3 - SMTP Extensions ............................... 114
3.1 - SMTP Extension mapping to X.400 ............... 114
3.2 - X.400 Mapping to SMTP Extensions .............. 115
Appendix B - Mapping with X.400(1984) ...................... 116
Appendix C - RFC 822 Extensions for X.400 access ........... 118
Appendix D - Object Identifier Assignment .................. 119
Appendix E - BNF Summary ................................... 120
Appendix F - Text format for MCGAM distribution ............ 127
1 - Text Formats .................................. 127
2 - Mechanisms to register and to distribute
MCGAMs ........................................ 127
3 - Syntax Definitions ............................ 128
4 - Table Lookups ................................. 129
5 - Domain -> OR Address MCGAM format ............. 129
6 - OR Address -> Domain MCGAM format ............. 129
7 - Domain -> OR Address of Preferred Gateway
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