*BSD News Article 56879


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From: jnixon@arcturus.mindspring.com (John F. Nixon)
Newsgroups: comp.unix.bsd.bsdi.misc,comp.unix.admin
Subject: Re: "virtual" mail domains
Date: 12 Dec 1995 17:58:51 GMT
Organization: MindSpring Enterprises, Inc.
Lines: 33
Message-ID: <JNIXON.95Dec12175851@arcturus.mindspring.com>
References: <30CC6B32.4EAD@infohwy.com>
NNTP-Posting-Host: arcturus.mindspring.com
In-reply-to: Oliver Soell's message of Mon, 11 Dec 1995 11:32:34 -0600
Xref: euryale.cc.adfa.oz.au comp.unix.bsd.bsdi.misc:1689 comp.unix.admin:35989

In article <30CC6B32.4EAD@infohwy.com> Oliver Soell <oliver@infohwy.com> writes:

> Has anyone got a working model of external mail domains going on a 
> BSDI machine?

Well, we did. It's now running on a different machine.

[...]
> 1. to edit sendmail.cf once to add a rule that uses an external 
> database for any other domains,
> 
> 2. to have that file contain assignments to do:
>  user@domain -> anotheruser@host (could be local)
> 	@domain -> domain-owner@host (could also be local)
> 
> and that's it. I've seen one implementation that does this 
> (http://www.infocom.net/infocom/VirtualWeb-Mini-HOWTO.html) but you 
> have to edit the sendmail.cf for every domain you'd like to add, and 
> another that lets you do everything except I think it will not allow 
> you to forward mail to remote users 
> (http://www.westnet.com/providers/maildomains.doc). I'm no sendmail 
> wizard, but if I can find a place with some good info, I'll read 
> that O'Reilly sendmail book we have kicking around..

The Westnet maildomains doc will help you do what you want. The
amazing Robert Sanders (sitting to my immediate right) wrote those
sendmail rules, and they indeed will rewrite a 'virtual' domain
address to any arbitrary address, controlled by an external file.
-- 
--
Fred Nixon			MindSpring Engineering
fnixon@mindspring.com		404-815-0770 x 240
http://www.mindspring.com/	800-719-4664