Date: Mon, 5 Jan 1998 20:31:48 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Paul Coyne <pcoyne@br-inc.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: sendmail host map lookup timeout Message-ID: <Pine.BSF.3.96.980105203050.1402g-100000@gdi.uoregon.edu> In-Reply-To: <vines.ah49%2BOHFgoA@ftw9vnssvr.moinet.com>
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On Mon, 5 Jan 1998, Paul Coyne wrote: > 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? The NS lookup is croaking. > > I try nslookup, and the domain resolves (MX and/or A records). Why does > sendmail dns call fail? It may not have gotten around to re-processing those messages yet, and you had a temporary DNS outage. If they don't go away in say a day, then get worried. > 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. I assume you have a full-time LAN link. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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