SPAM

Andrew J. Kopciuch akopciuch at bddf.ca
Thu Sep 23 09:02:49 CEST 2010


>
> Just to remember:
> zen.spamhaus.org is a commercial service and can be used free only for
> personal usage.
>

"Commercial-use" only applies if you are wanting to package the use of zen 
within a spam filtering product, or for re-selling the services.  Use on a 
company / personal / organization's mail server classifies 
as "non-commercial", and is still free.

http://www.spamhaus.org/organization/dnsblusage.html

--

Others have mentioned greylisting.  Postgrey in particular, but there are many 
others you could look into.

You could also set up a front line proxy server running something like ASSP
http://assp.sourceforge.net/

You could add additional spamassassin rules through SARE.
http://www.rulesemporium.com/


Andy
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