Simon Jones simonmjones at
Fri Jan 23 15:12:47 GMT 2009

2009/1/23 Simon Jones <simonmjones at>:
> 2009/1/23 Gareth <list-mailscanner at>:
>> On Fri, 2009-01-23 at 12:39, Simon Jones wrote:
>>> ok thanks mate, I'm doing an update now - see if that sorts it.  has
>>> anyone else noticed a shed load more spam recently?  my gateway's are
>>> running full bore right now, they've been stable for month but the
>>> last couple o days has seen stacked hold queues and slow-ups which I
>>> can only really put down to sheer volume of spam being processed.
>> I haven't seen any noticeable rise however the new large botnet which
>> has got some mainstream news coverage recently could well be increasing
>> the amount of spam being sent out.
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> mm, could be that I guess but these servers are pretty powerful with
> 15k rpm sas drives so they should be able to handle a bunch of stuff.
> the primary is currently so slow it's failing to answer incoming smtp
> connections intermittantly but there's nothing in the hold queue!
> usually when I've had this trouble the hold queue is stuffed and the
> server can't cope with the volume.  there's something different going
> on with this now, not sure what yet though - apart from it being
> REALLY slow.

Problem seems to be clamav - when I disable virus scanning the system
returns to normal, enabled it and clamscan sucks up all the cpu it can
and the system grinds to a halt... I read somewhere there's an
alternative less cpu intensive way to run clamscan - anyone point me
to the docs please?

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