From: DP (datpace@earthlink.net)
Date: Thu Oct 10 2002 - 09:50:26 EDT
Managers,
It appears that our sendmail daemon is using a server for DNS queries that
it shouldn't use. Here's an example of a message from our log file:
Sep 15 03:48:43 aaron sendmail[17169]: g8A9k6g22850: to=<postmaster@guardian>,
delay=4+22:02:37, xdelay=00:00:00, mailer=esmtp, pri=10660138,
relay=guardian.whatever.org., dsn=4.0.0, stat=Deferred: Name server:
guardian.whatever.org.: host name lookup failure
In the message above, it looks like the daemon is using the machine
"guardian.whatever.org" as its DNS server. Am I correct about that? If so,
it shouldn't be using that machine. Our resolv.conf file is correct and when
we resolve machine names and i.p. addresses using nslookup, the correct
information is returned and the correct name server is used. Is there a
method by which a particular DNS server can be assigned to sendmail (perhaps
via a configuration file)? I thought that sendmail would simply use the DNS
servers as they were specified in the /etc/resolv.conf file. Is that correct?
We are using sendmail 8.11.2.
Thank you for your help.
-- DP
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