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From: "Ted Mittelstaedt" <tedm@toybox.placo.com>
To: "Hexren" <me@hexren.net>, <freebsd-questions@freebsd.org>
Date: Sun, 6 Feb 2005 14:42:08 -0800
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Subject: RE: Sendmail host lookup problem
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> -----Original Message-----
> From: owner-freebsd-questions@freebsd.org
> [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Hexren
> Sent: Sunday, February 06, 2005 1:46 PM
> To: freebsd-questions@freebsd.org
> Subject: Sendmail host lookup problem
> 
> 
> I have a LAN in the 192.168.0 range. I am trying to send mail from
> 192.168.0.78 (gc-infra.steenbuck.net) to 192.168.0.29
> (bettchen.steenbuck.net).
> This leeds to 550 errors. "Host unknown (Name server: 
> bettchen.steenbuck.net: host not found)"
> 
> 192.168.0.29 is also acting as my DNS Server. Both machines 
> have correct (or so I hope) entries in the nameserver.

Either you don't have correct entries in the nameserver, or your
/etc/resolv.conf on gc-infra is not using 192.168.0.29 as it's
nameserver.

What is the output of nslookup on gc-infra when you key in
the bettchen.steenbuck.net name?  What is it when you issue
a "set type=mx" at the nslookup prompt followed by the
bettchen.steenbuck.net name?  What is it when you key in the
IP number 192.168.0.29?

Ted