Date: Mon, 15 Jul 2002 00:08:03 +0100 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: "Jack L. Stone" <jackstone@sage-one.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Named Daemon Troubles Message-ID: <20020714230803.GA28440@happy-idiot-talk.infracaninophi> In-Reply-To: <3.0.5.32.20020714164246.0117a758@mail.sage-one.net> References: <3.0.5.32.20020714141339.0117a758@mail.sage-one.net> <3.0.5.32.20020714141339.0117a758@mail.sage-one.net> <3.0.5.32.20020714164246.0117a758@mail.sage-one.net>
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On Sun, Jul 14, 2002 at 04:42:46PM -0500, Jack L. Stone wrote:
> Thanks Matthew, that's good advice on the upgrade to at least 8.3.3....
> what's strange is that I never have the problem except for this particular
> list... goes to our readers in about 180 countries...
I guess someone or some few people on the list are using e-mail
addresses registered via DNS servers with some sort of pathologic
condition which kills your server. You could probably put together a
fairly simple script that loops through your list of addresses
mimicking the DNS lookups that sendmail does and waiting for everything
to go pear-shaped. That should help pin down the addresses that are
causing the problem. Of course, it would mean killing your DNS in
order to save it.
Cheers,
Matthew
--
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
Tel: +44 1628 476614 Marlow
Fax: +44 0870 0522645 Bucks., SL7 1TH UK
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