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From: grog@FreeBSD.ORG
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Subject: Re: why does sendmail bring up my iijppp link? (2.2.2-RELEASE)
In-Reply-To: <199707281716.BAA01819@vas.tomsk.su> from Victor Sudakov at "Jul 29, 97 01:16:43 am"
To: vas@vas.tsu.tomsk.su
Date: Tue, 29 Jul 1997 09:53:35 +0930 (CST)
Cc: questions@FreeBSD.ORG
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Victor Sudakov writes:
> Donald Burr wrote:
>>
>> Whenever I send mail using sendmail, EVEN IF THE MAIL IS SENT TO SOMEONE
>> LOCAL TO MY MACHINE, it always brings up my ppp link.
>>
>> I find this somewhat annoying, is there any way to fix it?
>
> Use tcpdump to see what packets and where sendmail is sending.

It's almost certainly performing a DNS lookup.  You can compile a
non-DNS version of sendmail if you want.  Check the documentation in
the source tree.  I believe it's also possible to turn off the
resolution with the sendmail.cf file, but I haven't been able to find
the reference.

Greg