--- On Tue, 2/17/09, Rodrigo Ordonez Licona <rodrigo (at mark) xnet.com.mx> wrote:
> The semi-solution (I would call it an aspirin) is to
> remove your own
> addresses and domain names from the whitelist,
Ah, you're running SpamAssassin?
>
> in which case will trap incoming spam,
>
> but the email would have been received anyhow
Only blocking during SMTP stops the mail from being received. DNSBL are good for that.
> DNS BL are not very useful in my case I actually used them
> to no avail, I
> tried to block ISPs Ip adresses blocks from the offending
> spammers however
> their IP/server database seemed to be unlimited (3 weeks of
> daily blocking
> new ip ranges and domains-- "maybe try harder is the
> suggestion for now" ),
> and spam from different regions of the world, from valid
> companies and valid
> hosting providers kept coming in.
I guess it depends on what DNSBL you use. Run some of the IP's past http://www.dnsbl.info/dnsbl-database-check.php and see if there might be a better DNSBL that is catching these spammers before they hit you.
> So its spamassassin's call now, (the cost on our cpu
> cycles for now.)
It's pretty impossible not to receive no spam unless you just unplug the server. Spam is a fact of life.
--
Dan Kriwitsky