RFC 3463 (rfc3463) - Page 1 of 16

Enhanced Mail System Status Codes

Network Working Group                                       G. Vaudreuil
Request for Comments: 3463                           Lucent Technologies
Obsoletes: 1893                                             January 2003
Category: Standards Track


                   Enhanced Mail System Status Codes

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 (2003).  All Rights Reserved.

Abstract

   This document defines a set of extended status codes for use within
   the mail system for delivery status reports, tracking, and improved
   diagnostics.  In combination with other information provided in the
   Delivery Status Notification (DSN) delivery report, these codes
   facilitate media and language independent rendering of message
   delivery status.

Table of Contents

   1.   Overview ......................................................2
   2.   Status Code Structure .........................................3
   3.   Enumerated Status Codes .......................................5
     3.1  Other or Undefined Status ...................................6
     3.2  Address Status ..............................................6
     3.3  Mailbox Status ..............................................7
     3.4  Mail system status ..........................................8
     3.5  Network and Routing Status ..................................9
     3.6  Mail Delivery Protocol Status ..............................10
     3.7  Message Content or Message Media Status ....................11
     3.8  Security or Policy Status ..................................12
   4.   References ...................................................13
   5.   Security Considerations ......................................13
        Appendix A - Collected Status Codes ..........................14
        Appendix B - Changes from RFC 1893 ............................15
        Author's Address .............................................15
        Full Copyright Statement .....................................16



Vaudreuil                   Standards Track