Internet Message Protocol
RFC 753
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RFC - Unknown
(March 1979; No errata)
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2013-03-02
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March 1979
IEN: 85
RFC: 753
INTERNET MESSAGE PROTOCOL
Jonathan B. Postel
March 1979
Information Sciences Institute
University of Southern California
4676 Admiralty Way
Marina del Rey, California 90291
(213) 822-1511
< INC-PROJECT, MAIL-MAR-79.NLS.38, >, 31-Mar-79 19:50 JBP ;;;;
[Page 0] Postel
March 1979
Internet Message Protocol
TABLE OF CONTENTS
PREFACE ........................................................ iii
1. INTRODUCTION ..................................................... 1
1.1. Motivation ................................................... 1
1.2. Scope ........................................................ 1
1.3. The Internetwork Environment ................................. 2
1.4. Operation .................................................... 2
1.5. Interfaces ................................................... 3
2. FUNCTIONAL DESCRIPTION ........................................... 5
2.1. Relation to Other Protocols .................................. 5
2.2. Terminology ................................................. 5
2.3. Assumptions .................................................. 6
2.4. General Specification ........................................ 7
2.5. Mechanisms .................................................. 11
3. DETAILED SPECIFICATION .......................................... 13
3.1. Overview of Message Structure ............................... 13
3.2. Data Elements ............................................... 13
3.3. Message Objects ............................................. 16
3.4. Command ..................................................... 23
3.5. Document .................................................... 31
3.6. Message Structure ........................................... 33
3.7. MPM Organization ............................................ 36
3.8. Interfaces .................................................. 39
4. EXAMPLES & SCENARIOS ............................................ 41
Example 1: Message Format ........................................ 41
Example 2: Delivery and Acknowledgment ........................... 43
GLOSSARY ............................................................ 49
REFERENCES .......................................................... 51
APPENDICES .......................................................... 53
Postel [Page i]
March 1979
Internet Message Protocol
[Page ii] Postel
March 1979
Internet Message Protocol
PREFACE
This is the first edition of this specification and should be treated as
a request for comments, advice, and suggestions. A great deal of prior
work has been done on computer aided message systems and some of this is
listed in the reference section. This specification was shaped by many
discusions with members of the ARPA research community, and others
interested in the development of computer aided message systems. This
document was prepared as part of the ARPA sponsored Internetwork
Concepts Research Project at ISI, with the assistance of Greg Finn, Alan
Katz, Paul Mockapetris, and Mamie Chew.
Jon Postel
Postel [Page iii]
March 1979
Internet Message Protocol
[Page iv] Postel
March 1979
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