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ON-DEMAND MAIL RELAY (ODMR) SMTP with Dynamic IP Addresses (RFC2645)

IP.com Disclosure Number: IPCOM000003233D
Original Publication Date: 1999-Aug-01
Included in the Prior Art Database: 2000-Sep-13
Document File: 7 page(s) / 15K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Gellens: AUTHOR

Abstract

With the spread of low-cost computer systems and Internet connectivity, the demand for local mail servers has been rising. Many people now want to operate a mail server on a system which has

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 18% of the total text.

Network Working Group R. Gellens

Request for Comments: 2645 Qualcomm

Category: Standards Track August 1999

ON-DEMAND MAIL RELAY (ODMR)

SMTP with Dynamic IP Addresses

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 (1999). All Rights Reserved.

Table of Contents

1. Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. Conventions Used in this Document . . . . . . . . . . . . . . 2

3. Comments . . . . . . . . . . . . . . . . . . . . . . . . . . 2

4. Description . . . . . . . . . . . . . . . . . . . . . . . . . 2

5. States . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

5.1. Initial State . . . . . . . . . . . . . . . . . . . . . . 4

5.1.1. EHLO . . . . . . . . . . . . . . . . . . . . . . . . 4

5.1.2. AUTH . . . . . . . . . . . . . . . . . . . . . . . . 4

5.1.3. QUIT . . . . . . . . . . . . . . . . . . . . . . . . 4

5.2. Authenticated State . . . . . . . . . . . . . . . . . . . 4

5.2.1. ATRN (Authenticated TURN) . . . . . . . . . . . . . 4

5.3. Reversed State . . . . . . . . . . . . . . . . . . . . . 5

5.4. Other Commands . . . . . . . . . . . . . . . . . . . . . 6

6. Example On-Demand Mail Relay Session: . . . . . . . . . . . . 6

7. Response Codes . . . . . . . . . . . . . . . . . . . . . . . 6

8. Security Considerations . . . . . . . . . . . . . . . . . . . 6

9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . 7

10. References . . . . . . . . . . . . . . . . . . . . . . . . . 7

11. Author's Address . . . . . . . . . . . . . . . . . . . . . 8

12. Full Copyright Statement . . . . . . . . . . . . . . . . . . 9

1. Abstract

With the spread of low-cost computer systems and Internet

connectivity, the demand for local mail servers has been rising.

Many people now want to operate a mail server on a system which has

only an intermittent connection to a service provider. If the system

has a static IP address, the ESMTP ETRN command [ETRN] can be used.

However, systems with dynamic IP addresses (which are very common

with low-cost connections) have no widely-deployed s...