<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>sendmail address rewriting mini-HOWTO: Introduction</TITLE> <LINK HREF="Sendmail-Address-Rewrite-2.html" REL=next> <LINK HREF="Sendmail-Address-Rewrite.html#toc1" REL=contents> </HEAD> <BODY> <A HREF="Sendmail-Address-Rewrite-2.html">Next</A> Previous <A HREF="Sendmail-Address-Rewrite.html#toc1">Contents</A> <HR> <H2><A NAME="s1">1. Introduction</A></H2> <P>We assume that you have the kind of Internet access which seems to be most common at universities and online services nowadays: You dial into your provider's network using PPP over a serial connection. Your incoming mail is spooled at the provider's POP or IMAP server, while outgoing messages are to be sent via SMTP. You don't have a domain name of your own, so everything has to use <EM>one</EM> address. <P> <P>We assume that you have already installed a fairly recent version of Eric Allman's sendmail (version 8.8.8 is current at the time of this writing and should work fine). <P> <P>This document is partially referring to specific properties of Debian GNU/Linux systems; users of different distributions will have to take some care. <P> <P>Make sure you have the following information at hand: <P> <UL> <LI>Your ISP's mail server</LI> <LI>Your Internet mail address</LI> </UL> <P> <P> <P>The configuration we are planning has two main goals: <P> <OL> <LI>Sending mail between various local users must be possible.</LI> <LI>The outside world must see the local users' ISP mail addresses, not the local ones.</LI> </OL> <P> <P>To achieve this, we will make use of sendmail's <CODE>genericstable</CODE> feature. <P> <HR> <A HREF="Sendmail-Address-Rewrite-2.html">Next</A> Previous <A HREF="Sendmail-Address-Rewrite.html#toc1">Contents</A> </BODY> </HTML>