Date: Mon, 5 Jan 98 11:14:01 CST From: "Paul Coyne" <pcoyne@br-inc.com> To: <freebsd-questions@FreeBSD.ORG> Subject: sendmail host map lookup timeout Message-ID: <vines.ah49%2BOHFgoA@ftw9vnssvr.moinet.com>
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I have a machine configured as a relay host for all machines that can send
mail from our net.
The machine handles thousands of messages a day, but the queue will grow to
100-200 messages with most of the items in the queue showing as below (I
have substituted 'username' for the real username)
LAA07452 276 Mon Jan 5 11:12 <username@br-inc.com>
(host map: lookup (gmacalgary.com): deferred)
<username@gmacalgary.com>
LAA07471 1443 Mon Jan 5 11:13 <username@br-inc.com>
(host map: lookup (anheuser-busch.com): deferred)
<username@anheuser-busch.com>
LAA07283 1731 Mon Jan 5 11:02 <username@br-inc.com>
(host map: lookup (tobindatag.com): deferred)
<username@tobindatag.com>
KAA07186 882 Mon Jan 5 10:59 <username@br-inc.com>
(host map: lookup (naplesnews.com): deferred)
<username@naplesnews.com>
What is going on?
I try nslookup, and the domain resolves (MX and/or A records). Why does
sendmail dns call fail?
I scripted a routine to grep the queue and manually nslookup the host names,
after which (if I stop and start mail) sendmail blasts all the messages
out without a problem.
Please reply directly to pcoyne@br-inc.com. (The volume of messages has
forced me to unsubscribe)
Machine is Pentium 200, 32MB, 2.2.5-RELEASE, runs named as secondary DNS
locally (forwarder/slave to firewall) and sendmail with virtusertable stuff,
but otherwise a pretty generic configuration.
Any help is appreciated.
thanks
paul
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