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Date:      Mon, 19 Mar 2007 06:17:30 -0500
From:      Derek Ragona <derek@computinginnovations.com>
To:        jekillen <jekillen@prodigy.net>, FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: sendmail name resolution
Message-ID:  <6.0.0.22.2.20070319061205.0253b728@mail.computinginnovations.com>
In-Reply-To: <fdd2bcb95200bb07253f2d5634b60b25@prodigy.net>

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Sendmail uses the system calls to resolve names.  You need to check:
/etc/nsswitch.conf

In that file check the hosts line, this gives the order for hostname 
resolution, typically it is files then dns.

Then you should check your /etc/hosts file to be sure that localhost is 
there and correct.

Also check /etc/resolve.conf that you have the correct nameservers for dns 
lookups.

         -Derek


At 08:28 PM 3/18/2007, jekillen wrote:
>Hello:
>Where does sendmail look to find out who it is?
>Resolve.conf?
>It keeps throwing up messages that it cannot
>resolve the name localhost, or that is the
>way I am interpreting the messages.
>FreeBSD v6.2 generic
>Thanks in advance;
>Jeff K
>
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