Re: [Exim] DNSBL Question/Alert

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Szerző: Mark Douglas
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Címzett: exim-users
Tárgy: Re: [Exim] DNSBL Question/Alert
Hello


> the (Osirusoft) DNS blocking list check began timing out


Yesterday morning I was caught by this. Most SMTP connections were
timing out and we eventually traced it to the Osirusoft lookup
hanging. I removed that lookup and things seem normal.

Newbie question:

Can anyone tell me how I would get Exim 3.22 to ignore/drop a dead
DNSBL so the whole system doesn't get bogged down? I feel like
there's a setting I've missed.

Also does anyone know what's happened to Osirusoft? We still can't
reach it today.

Thanks in advance

Mark

On 6 Jan 2003 at 17:59, Jon James wrote:

snap I am having huge probs with this at the min :-(


----- Original Message -----
From: "James P. Roberts" <punster@???>
To: <exim-users@???>
Sent: Monday, January 06, 2003 5:38 PM
Subject: [Exim] DNSBL Question/Alert


> Dear Exim List:
>
> +defer_unknown:relays.osirusoft.com
>
> caused problems for me, beginning about 7 AM EST today, Jan. 6, 2003.
> The response time from this particular DNSBL is running around 20
> seconds (at least, for a ping to it, as a quick check). As a result,
> the DNS blocking list check began timing out, and ALL incoming messages
> were deferred (until I went in and removed the +defer_unknowns, and also
> removed relays.osirusoft.com from the list... I kept the other one I
> use, as it still seems to be working well.)
>
> Does anyone perchance know what happened to Osirusoft?
>
> Anyway, check your logs, if you use this particular DNSBL.
>
> Jim Roberts
> Punster Productions, Inc.
>
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim

details at http://www.exim.org/ ##
>
>




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Mark Douglas
Postmaster
School of Oriental and African Studies
University of London