Re: [exim] Spamd problem - connection timed out

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Szerző: Richard Hopkins
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Címzett: John Horne, exim-users
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Tárgy: Re: [exim] Spamd problem - connection timed out


--On 20 June 2005 12:13 +0100 John Horne <john.horne@???> wrote:

> On Mon, 2005-06-20 at 12:00 +0100, Steven Wayne wrote:
>> On Mon, Jun 20, 2005 at 11:24:16AM +0100, John Horne wrote:
>> >
>> > Hello,
>> >
>> > We are running exim 4.51 and spamassassin 3.0.4, and in our panic log
>> > we are seeing many of these messages:
>> >
>> > 2005-06-20 10:18:57 1DkIOn-0004mM-Rt spam acl condition: error
>> > reading from spamd socket: Connection timed out
>> > 2005-06-20 10:26:48 1DkIWO-0005Hl-QJ spam acl condition: error
>> > reading from spamd socket: Connection timed out
>> > 2005-06-20 10:34:46 1DkIe5-0005lc-B3 spam acl condition: error
>> > reading from spamd socket: Connection timed out
>> > 2005-06-20 10:42:35 1DkIlc-0006Ht-6D spam acl condition: error
>> > reading from spamd socket: Connection timed out
>> >
>> > As can be seen they occur every few minutes - in fact about every 8
>> > minutes during the day! At nighttime they only occur every so often.
>> > I'll see if I can investigate further but I wondered if anyone had any
>> > obvious answers?
>> >
>> >
>>
>> Is spamd listening on the socket the acl is connecting to?
>>
> Yes.
>
>> Is a firewall blocking connections to the socket?
>>
> No. Spamassassin runs on the mta server itself.
>
> Spamassassin and exim content scanning is working, since emails are
> being spam checked. It's just that we are now getting these panic log
> entries, whereas we didn't before.
>
> I see that exim sets a spamd timeout of 240 seconds, I'll see if I can
> extend that and see what happens. Secondly, would the use of a unix
> socket perform better than the defaults of '127.0.0.1:783'?
>


What do you have spamd's "-m" (--max-children=num) set to John? On a busy
mail hub you'll probably need to increase it from its default (5). We
certainly did.

Regards,

Richard Hopkins,
Information Services,
Computer Centre,
University of Bristol,
Bristol, BS8 1UD, UK

Tel +44 117 928 7859
Fax +44 117 929 1576