Am 2007-03-20 14:16:32, schrieb Michael Loftis:
> --On March 20, 2007 4:37:25 PM +0100 Cherubini Enrico <kevin@bestkevin.com>
> > Tue, Mar 20, 2007 at 04:27:36PM +0100, Marek Podmaka wrote:
> >the bottleneck is the hardware, a dual xeon 3.20GHz with 2GB of ram, that,
> >is pretty high on load in the antivir/antispam server (of course).
>
> I'd ascertain what kind of load. If it's I/O, NFS will likely make it
> worse since NFS increases latency to disk by huge amounts. Also I've had
> some serious issues with the 2.6 NFS server and have stayed on 2.4 for our
> NFS server because of this.
>
> A machine that size should be able to handle a LOT of scanning. 2Gb of ram
> though is really anemic for high mail volumes with AV/AS. I'd suggest 4Gb
> or 8Gb. Run vmstat and watch it, see if you're swapping, see how much
> cache you're using.
I have only AMD Opteron 256 with 8 GByte each and I have some times
trouble with my InBound "courier-mta-ss"> and VIRUS/SPAM filtering.
I like to setup the InBound MTA for SMTP-Level based filtering which
drop already 80% of the SPAM and then use an external server for the
rest of VIRUS/SPAM filtering.
Thanks, Greetings and nice Day
Michelle Konzack
Systemadministrator
Tamay Dogan Network
Debian GNU/Linux Consultant
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