Sendmail - Where is relay host defined?

From: martha.crocker@philips.com
Date: Thu May 16 2002 - 09:58:05 EDT


Good morning all,

I have a problem that is driving me nuts. Out of my 80 machines, I have
one that refuses to send mail. Actually, it doesn't
refuse to send mail, it refuses to find the correct relay, so the machine
it insists on sending mail through won't allow it to, so
mail doesn't go out. I'm at my wit's end. I have two identical machines
- same Sendmail version, same OS, same patch levels,
same sendmail.cf, same DNS and NIS servers, same nsswitch.conf. One sends
mail to the correct relay and one doesn't.
I have mailhost and relayhost defined in DNS. I just can't figure out
where this machine is getting it's relay information from.
It is an E3500, Solaris 8 with recommended and security patch cluster from
April 2002, Sendmail 8.11.6
There must be somewhere where this machine has had hardcoded the relay,
but I can't find it for the life of me.

When I look at the syslog messages on both machines, the only difference
is the "relay=" part. The machine that sends
mail out says "relay=mailhost.xxx.xx.xxxx.com" and the machine that
doesn't, says "relay=hostname [IP address] " where
hostname is the wrong mailhost and the ip address is in brackets. I'm
stumped.

Anyone have any ideas where this machine is getting it's incorrect relay
information from?

Thanks!

Martha Crocker
UNIX System Administrator
Philips Semiconductors
9651 Westover Hills Blvd.
M/S 406
San Antonio, Texas 78251
(210)522-7468 voice
(210)522-7300 fax
martha.crocker@philips.com

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