(postfix) SPAM filter?

[Sten Daniel Soersdal]

Rudy wrote:
> Steve Bertrand wrote:
>>>> * Once it is setup then it would require no additional maintenance.
>>>> * Potential spam messages are marked with a special header that can be
>>>> filtered on user discretion on their local mail client software.
>>
>>> Yes, one recommendation for sure. Give up on your first goal. It'll
>>> never happen, because fighting spam is an arms race, with new tactics
>>> needing to be adopted.
>>
>> Amen (or Ahem, or what BSDie would say). There will *ALWAYS* be
>> maintenance. If you are not developing new regexs and/or solutions to
>> fight the daily produced techniques that make up SPAM, then you are
>> implementing them.
> 
> I have found spam assassin with nightly updates of the helpful (there 
> are other people developing new regexs daily).
> 
> 48 5 * * * /usr/local/bin/sa-update  --channel updates.spamassassin.org 
> && /usr/local/etc/rc.d/sa-spamd restart
> 
> There are other channels you can subscribe to.
> 
> Another super helpful bocker is to block all inbound connections from 
> IPs without reverse DNS. Don't forget to virus check your email while 
> you are at it -- there are several packages (clamav is one).  And 
> finally, a couple of RBLs added into the mix are helpful.

Awesome, i didn't see the subscriptions on their website.
This is exactly what i need.

-- 
Sten Daniel Soersdal