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Date:      Sun, 4 Jul 1999 03:15:27 +0200 (CEST)
From:      Leif Neland <leifn@neland.dk>
To:        Kurt Jaeger <pi@complx.LF.net>
Cc:        freebsd-isp@freebsd.org, bb@taex001.tamu.edu
Subject:   Re: BB, sendmail and rbl
Message-ID:  <Pine.BSF.4.05.9907040307040.94003-100000@arnold.neland.dk>
In-Reply-To: <m110Z5I-000zySC@complx.LF.net>

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On Sun, 4 Jul 1999, Kurt Jaeger wrote:

> Hi!
> 
> > How can I stop this dialup, and still use bb and rbl?
> 
> You can't use rbl without a DNS lookup. Check the READMEs on RBL and
> you'll understand...
> 
I understand.
But the problem was that every time bb made a check connecting to
sendmail, sendmail did a lookup on 1.0.0.127.maps.rbl.vix.com.
It wanted to check if localhost was blocked by rbl.
As lookups on rbl are very shortlived, a dial-on-demand connection was
made every 5 minutes.
As I'm fairly sure I'm not in rbl (and don't want to check every 5
minutes) I put my nameserver as authoritative for
0.0.127.maps.rbl.vix.com. and 0.168.192.maps.rbl.vix.com.

This stopped the connection to be dialed every 5 minutes.

Leif





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