Spam on the Rise. Any new tips?

[jdow]

From: "alan" <alan at clueserver.org>

> On Tue, 5 Sep 2006, Thom Paine wrote:
> 
>> I've been noticing that the config I had been using for aboutthe past
>> year is slowly becoming less effective against spam.
>>
>> I'm currently using half a dozen or so bl's along with spam assassin.
>>
>> I'm sure other people are either keeping up, or finding ways to keep
>> spam at bay.
>>
>> Anyone have any suggestions?
>>
>> I read about turning on a two minute wait time on your mail server and
>> was wondering if that helps.
>>
>> I can post parts of my sendmail.cf file if that would be helpful.
> 
> Greylisting has worked pretty well for me.  Cut about 90% of my spam load.
> 
> I had to cut out most of my blocklists due to valid domains that had been 
> "poisoned" by someone.  (They took domains they did not like and claimed 
> they were spammers.  Most of them domains hosting Linux mailing lists.)

Use them with a scoring system like SpamAssassin or abandon them. I do
not have a false alarm problem with basically the 3.1.4 SA default BL
selections. The bad blocklists have low scores - they are marginally
useful. The good (low false alarms) blocklists have higher scores.

{^_^}