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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