Filter incoming mail from

Chuck Rock carock at
Tue Apr 7 20:43:44 IST 2009

Martin Hepworth <maxsec <at>> writes:

> I'd look at using Barricade MX from those nice folks at FSL to reduce the 
load on the servers.
> I'd also think about adding in more boxes - ideally if you loose a box the 
others should be able to cope with the load and in you're current situation I 
doubt that is the case.
> Did I mention upgrading MailScanner also - there's a fair bit of speed up in 
there, but alot of it is related to SA speed-ups and better clamd support and 
the watermarking support.
> How are you spam trapping these emails - just relying on RBLs or don't you 
bother?-- Martin HepworthOxford, UK

Yeah, I'm using a local rbldnsd on each server too and using the RBL list I like that one because it automatically clears out 
blocked IP's after 7 days if they don't keep hitting their spam traps.

Julian mentioned using Sendmail itself to filter. I just am not that familiar 
with sendmail, so I have some reading to do. :-)

I might setup a new server to test as an upgrade to the existing setup. This 
way I can use SA and see how it affects the system load and still use the 
latest and greatest versions. Right now I'm just instructing users how to 
setup Outlook rules to delete those messages, but that's very tedious.

Thanks for all the help.


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