From owner-freebsd-questions Tue Jan 6 06:38:10 1998 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id GAA16463 for questions-outgoing; Tue, 6 Jan 1998 06:38:10 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from br-inc.com (br-inc.com [207.86.84.34]) by hub.freebsd.org (8.8.7/8.8.7) with SMTP id GAA16451 for ; Tue, 6 Jan 1998 06:38:04 -0800 (PST) (envelope-from pcoyne@br-inc.com) Received: from mailman2.moinet.com ([155.191.23.247]) by br-inc.com via smtpd (for hub.FreeBSD.ORG [204.216.27.18]) with SMTP; 6 Jan 1998 14:40:05 UT Received: from ftw9vnssvr.moinet.com (ftw9vnssvr.moinet.com [155.191.17.98]) by mailman2.moinet.com (8.8.7/8.8.5) with SMTP id IAA17623 for ; Tue, 6 Jan 1998 08:40:00 -0600 (CST) Received: by ftw9vnssvr.moinet.com with VINES-ISMTP; Tue, 6 Jan 98 8:38:01 CST Date: Tue, 6 Jan 98 8:25:33 CST Message-ID: X-Priority: 3 (Normal) To: "Doug White" Cc: From: "Paul Coyne" Reply-To: Subject: Re: sendmail host map lookup timeout X-Incognito-SN: 3019 X-Incognito-Version: 4.11.23 MIME-Version: 1.0 Content-type: text/plain; charset=us-ascii Sender: owner-freebsd-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Thanks Doug, Yes, they do eventually go away and when queue is reprocessed. However, what do you mean by DNS outage? [I would have a very short career if it was going out regularly :-) ], We do have T1 access, and DNS (multiple FreeBSD 2.2.2 boxes supporting 2000 corporate users, rock solid I might add) has given us no problems. I would agree the the lookup is failing, but why? Does sendmail timeout (maybe some sendmail.cf pararmeter?) on the lookup, where as a manual nslookup doesn't? I know there are a lot of variables that can effect DNS, but any pointers would be appreciated. Please reply directly. Thanks Paul Coyne ------------- Original Text From: "Doug White" , on 1/5/98 10:31 PM: 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 > (host map: lookup (gmacalgary.com): deferred) > > LAA07471 1443 Mon Jan 5 11:13 > (host map: lookup (anheuser-busch.com): deferred) > > LAA07283 1731 Mon Jan 5 11:02 > (host map: lookup (tobindatag.com): deferred) > > KAA07186 882 Mon Jan 5 10:59 > (host map: lookup (naplesnews.com): deferred) > > > > 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