mailscanner in ISP
MailScanner at ecs.soton.ac.uk
Thu Aug 7 15:33:05 IST 2008
Paulo Roncon wrote:
> Hello all,
> I work in a ISP and we want to install mailscanner to stop OUTBOUND spam as its becoming a bottleneck...
> I dont have any network metrics, as the guy in charge in out. I'm thinking 1000000 plus messages/day.
> -Anyone has ideias of the kind of HW solution nedeed?
> -OUTBOUND filtering: Its gonna be *->*. Do you see any problems?
> -Which is the fastest configuration possible?
> -What pieces of SW should I install (AV, Pyzor, etc,etc)?. I'm aiming to speed and to block about 85% of spam. I'm not aiming at near 100% spam free...
I would start with some blacklists at your MTA, such as spamhaus-ZEN.
You would be better off putting this into your MTA so you don't accept
connections from botnet hosts in the first place.
ClamAV with the sanesecurity.co.uk additional signatures will be fast too.
Julian Field MEng CITP CEng
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