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Date:      Mon, 11 Jun 2001 00:53:53 -0700 (MST)
From:      "Orville R. Weyrich.Jr" <orville@weyrich.com>
To:        freebsd-net@FreeBSD.ORG
Subject:   Sendmail service.switch problem
Message-ID:  <Pine.LNX.4.10.10106110045380.27156-100000@dopey.weyrich.com>
In-Reply-To: <y7vlmmzmwl8.wl@condor2.jinmei.org>

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Hi --

I am using BSD_4.3-RELEASE and have a problem with service.switch.

I want sendmail to deliver to hosts on the local network without
consulting DNS -- i.e. to check /etc/hosts for IP addresses.

If I place the following line in /etc/mail/service.switch

hosts files

everything works as expected.

But if instead I place the following line in /etc/mail/service.switch

hosts files dns

then mail gets queued (deferred) with a host name lookup failure when
the DNS server is not reachable.

I thought that the if the requested host was successfully found in
the /etc/hosts file that dns should never be consulted.  But apparently 
DNS is being consulted, even though I stipulated that lookup should
first be done in /etc/hosts.

Is there a bug in my configuration or understanding?

TIA

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Orville R. Weyrich, Jr.                 Weyrich Computer Consulting
mailto:orville@weyrich.com     KD7HJV        http://www.weyrich.com
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