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Path: utzoo!linus!decvax!decwrl!sun!gnu
From: gnu@sun.uucp (John Gilmore)
Newsgroups: net.mail
Subject: Aliasing a hostname in sendmail (eg amd70->amd)
Message-ID: <1542@sun.uucp>
Date: Thu, 12-Jul-84 08:34:03 EDT
Article-I.D.: sun.1542
Posted: Thu Jul 12 08:34:03 1984
Date-Received: Sat, 14-Jul-84 02:16:44 EDT
References: <432@turtlevax.UUCP>
Organization: Sun Microsystems, Inc.
Lines: 27

To cause sendmail to alias one system name for another, you need to add
rewriting rules to /usr/lib/sendmail.cf .  If you actually want the
modified address to appear in headers, hack a change into ruleset 8 or
ruleset 3.  If you just want to leave the headers alone but have uucp
send it to 'amd', fix it in ruleset 0 as follows.  Dup the line(s) that
resolve to the uucp mailer and add in the hostname explicitly in both
the left and right halves.  You'll have to renumber the $1, $2, etc in
the right half after replacing a $- in the left with 'amd70'.  E.g.  in
our sendmail.cf, I'd change:

# resolve UUCP domain
R<@$-.uucp>:$+		$#uucp  $@$1 $:$2		@host.uucp:...
R$+<@$-.uucp>		$#uucp  $@$2 $:$1		user@host.uucp

To:
# Hackery to route uucp mail for amd70 to 'amd'
R<@amd70.uucp>:$+	$#uucp  $@amd $:$1		@host.uucp:...
R$+<@amd70.uucp>	$#uucp  $@amd $:$1		user@host.uucp
# resolve UUCP domain
R<@$-.uucp>:$+		$#uucp  $@$1 $:$2		@host.uucp:...
R$+<@$-.uucp>		$#uucp  $@$2 $:$1		user@host.uucp

More info is in the sendmail installation guide.

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