Implementers Guide for Facsimile Using Internet Mail
RFC 3249
Network Working Group V. Cancio
Request for Comments: 3249 Xerox Corporation
Category: Informational M. Moldovan
G3 Nova Technology, Inc.
H. Tamura
Ricoh Company, LTD.
D. Wing
Cisco Systems
September 2002
Implementers Guide for Facsimile Using Internet Mail
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2002). All Rights Reserved.
Abstract
This document is intended for the implementers of software that use
email to send to facsimiles using RFC 2305 and 2532. This is an
informational document and its guidelines do not supersede the
referenced documents.
Table of Contents
1. Introduction .................................................. 2
1.1 Organization of this document ................................ 2
1.2 Discussion of this document .................................. 2
2. Terminology ................................................... 3
3. Implementation Issues Specific to Simple Mode ................. 3
3.1 Simple Mode Fax Senders ...................................... 3
3.1.1 Multipart-alternative ...................................... 3
3.2 Simple Mode Fax Receivers .................................... 4
3.2.1 Multipart-alternative and Storage Capacity ................. 4
4. Implementation Issues Specific to Extended Mode ............... 4
4.1 Multipart-alternative ........................................ 4
4.2 Correlation of MDN with Original Message ..................... 4
4.3 Correlation of DSN with Original Message ..................... 5
4.4 Extended Mode Receivers ...................................... 5
4.4.1 Confirmation of receipt and processing from User Agents .... 5
4.4.1.1 Discrepancies in MDN [9] Interpretation .................. 5
Cancio, et. al. Informational [Page 1]
RFC 3249 Implementers Guide for Facsimile September 2002
4.4.1.2 Disposition-Type and body of message in MDN .............. 6
4.4.2 "Subject" of MDN and DSN in Success and Failure Cases ...... 6
4.4.3 Extended Mode Receivers that are MTAs (or ESMTP servers) ... 7
4.4.3.1 Success Case Example ..................................... 7
4.4.3.2 Failure Case Example 1 ................................... 9
4.4.3.3 Failure Case Example 2 ................................... 10
4.4.4 Extended Mode Receivers that are POP3/IMAP4 ................ 11
4.4.4.1 Success Case Example ..................................... 11
4.4.4.2 Failure Case Example ..................................... 12
4.4.5 Receiving Multiple Attachments ............................. 13
5. Implementation Issues Specific to the File Format ............. 13
5.1 IFD Placement & Profile-S Constraints ........................ 13
5.2 Precautions for implementers of RFC 2301 [4] ................. 14
5.2.1 Errors encountered during interoperability testing ......... 14
5.2.2 Color Gamut Considerations ................................. 14
5.2.3 File format Considerations ................................. 15
5.2.3.1 Considerations for greater reader flexibility ............ 15
5.2.3.2 Error considerations ..................................... 16
5.3 Content-Type for the file format ............................. 17
6. Implementation Issues for Internet Fax Addressing ............. 17
7. Security Considerations ....................................... 18
8. Acknowledgements .............................................. 18
9. References .................................................... 18
10. Authors' Addresses ........................................... 20
11. Full Copyright Statement ..................................... 21
1. Introduction
This document clarifies published RFCs which standardize facsimile
communications using Internet Email. The intent is to prevent
implementations that deviate in such a way as to cause
interoperability problems.
1.1 Organization of this document
This document contains four sections that clarify, in order, the
handling of simple mode fax messages, extended mode fax messages, the
file format, and the internet addressing of fax recipients.
See Section 2 for terminology.
1.2 Discussion of this document
Discussion of this document should take place on the Internet fax
Show full document text