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Mapping between X.400 and RFC-822/MIME Message Bodies (RFC2157)

IP.com Disclosure Number: IPCOM000002714D
Original Publication Date: 1998-Jan-01
Included in the Prior Art Database: 2019-Feb-15
Document File: 49 page(s) / 60K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

H. Alvestrand: AUTHOR

Related Documents

10.17487/RFC2157: DOI

Abstract

This document defines how to map body parts of X.400 messages into MIME entities and vice versa, including the handling of multipart messages and forwarded messages. [STANDARDS-TRACK]

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 4% of the total text.

Network Working Group H. Alvestrand Request for Comments: 2157 UNINETT Category: Standards Track January 1998

Mapping between X.400 and RFC-822/MIME Message Bodies

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 Introduction ........................................... 2 1.1 Glossary ............................................. 3 2 Basic rules for body part conversion ................... 4 2.1 Generating the IPM Body from MIME .................... 5 2.2 Generating the MIME Body from the IPMS.Body .......... 6 2.3 Mapping the EMA FTBP parameters ...................... 7 2.3.1 Mapping GraphicStrings ............................. 7 2.3.2 Mapping specific parameters ........................ 7 2.3.3 Summary of FTBP elements generated ................. 10 2.4 Information that is lost when mapping ................ 11 3 Encapsulation of body parts ............................ 11 3.1 Encapsulation of MIME in X.400 ....................... 12 3.1.1 FTBP encapsulating body part ....................... 12 3.1.2 BP15 encapsulating body part ....................... 13 3.1.3 Encapsulation using IA5 (HARPOON) .................. 15 3.1.4 Content passing using BP14 ......................... 16 3.2 Encapsulating X.400 Body Parts in MIME ............... 16 3.3 Encapsulating FTBP body parts in MIME ................ 17 4 User control over the gateway choice ................... 18 4.1 Conversion from MIME to X.400 ........................ 18 4.2 Conversion from X.400 to MIME ........................ 20 5 The equivalence registry ............................... 21 5.1 What information one must give about a mapping ..................................................... 21 5.2 Equivalence summary for known X.400 and MIME Types ................................................ 22 5.3 MIME to X.400 Table .................................. 23

Alvestrand Standards Track [Page 1]

RFC 2157 X.400/MIME Body Mapping January 1998

5.4 X.400 to MIME Table .................................. 23 5.5 Use of OBJECT IDENTIFIERs and ASN.1 MACROS ........... 24 6 Defined Equivalences ................................... 26 6.1 IA5Text - text/plain ................................. 26 6.2 GeneralText - text/plain (ISO-8859) .................. 27 6.3 BilaterallyDefined - application/octet-stream ...................................................... 29 6.4 FTBP EMA Unknown Attachment - application/octet-stream ............................. 29 6.5 MessageBodyPart - message/RFC822 ..................... 30 6.6 MessageBodyPart - multipart/* ........................ 31 6.7 Teletex - Text/Plain (Te...

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