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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