Browse Prior Art Database

Mail Transfer Protocol (RFC0780)

IP.com Disclosure Number: IPCOM000003829D
Original Publication Date: 1981-May-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 32 page(s) / 78K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Sluizer: AUTHOR [+2]

Abstract

The objective of Mail Transfer Protocol (MTP) is to transfer mail reliably and efficiently.

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

MAIL TRANSFER PROTOCOL

Suzanne Sluizer

and

Jonathan B. Postel

RFC 780

May 1981

Information Sciences Institute

University of Southern California

4676 Admiralty Way

Marina del Rey, California 90291

(213) 822-1511

May 1981 RFC 780

Mail Transfer Protocol

TABLE OF CONTENTS

1. INTRODUCTION .................................................. 1

2. THE MTP MODEL ................................................. 2

3. BASIC MAIL .................................................... 4

3.1. Forwarding ............................................... 5

3.2. Source Routing ........................................... 6

4. MULTI-RECIPIENT MAIL .......................................... 8

4.1. Scheme Selection: MRSQ ................................... 8

4.2. Message Text Specification: MAIL ......................... 9

4.3. Recipient Specification: MRCP ........................... 10

4.4. Scheme Mechanics: Recipients First ...................... 10

4.5. Scheme Mechanics: Text First ............................ 12

4.6. Discussion .............................................. 12

5. SPECIFICATIONS ............................................... 16

5.1. MTP Commands ............................................ 16

5.1.1. Command Semantics ..................................... 16

5.1.2. Command Syntax ........................................ 18

5.2. MTP Replies ............................................. 22

5.2.1. Reply Codes by Function Group ......................... 23

5.2.2. Reply Codes in Numeric Order .......................... 24

5.3. Sequencing of Commands and Replies ...................... 25

5.4. State Diagrams .......................................... 28

5.5. Details ................................................. 30

5.5.1. Minimum Implementation ................................ 30

5.5.2. Transparency .......................................... 30

5.5.3. Sizes ................................................. 30

APPENDIX A: TCP ................................................. 32

APPENDIX B: NCP ................................................. 33

APPENDIX C: NITS .............................