RFC 2822 (rfc2822) - Page 1 of 51


Internet Message Format



Alternative Format: Original Text Document

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Network Working Group                                 P. Resnick, Editor
Request for Comments: 2822                         QUALCOMM Incorporated
Obsoletes: 822                                                April 2001
Category: Standards Track


                        Internet Message Format

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 (2001).  All Rights Reserved.

Abstract

   This standard specifies a syntax for text messages that are sent
   between computer users, within the framework of "electronic mail"
   messages.  This standard supersedes the one specified in Request For
   Comments (RFC) 822, "Standard for the Format of ARPA Internet Text
   Messages", updating it to reflect current practice and incorporating
   incremental changes that were specified in other RFCs.

Table of Contents

   1. Introduction ............................................... 3
   1.1. Scope .................................................... 3
   1.2. Notational conventions ................................... 4
   1.2.1. Requirements notation .................................. 4
   1.2.2. Syntactic notation ..................................... 4
   1.3. Structure of this document ............................... 4
   2. Lexical Analysis of Messages ............................... 5
   2.1. General Description ...................................... 5
   2.1.1. Line Length Limits ..................................... 6
   2.2. Header Fields ............................................ 7
   2.2.1. Unstructured Header Field Bodies ....................... 7
   2.2.2. Structured Header Field Bodies ......................... 7
   2.2.3. Long Header Fields ..................................... 7
   2.3. Body ..................................................... 8
   3. Syntax ..................................................... 9
   3.1. Introduction ............................................. 9
   3.2. Lexical Tokens ........................................... 9



Resnick                     Standards Track


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