Donna French wrote:

>Sorry for the OT post, but I'm hoping someone has setup a great
>filtering system or list of keywords to filter by that won't mind
>sharing them.
>
>We use CrystalTech hosting and the spam filters are working fine, but
>the people within the company are driving me nuts asking when they
>will see a considerable decrease in spam. Right now, I go thru the
>emails and pull out keywords to filter by and add them to the growing
>list each day.
>
>But I still have users getting a couple hundred spam messages per day.
>
>Any help would be greatly appreciated.
>
>  
>
Keyword spam filtering is becoming more and more ineffective as time 
goes on. Does CrystalTech have any kind of anti-spam solution that 
offers hauristic analisys? So... not just a list of keywords but also a 
set of rules that an engine uses to determine if the message is spam? 
(Does the reverse DNS for the reply address resolve? etc.) Spamassassin 
is a good example of a spam-filter that uses a hauristic engine to 
determine spam. Spamassassin can also be "trained" as to what is spam 
and what isn't spam. Using CrystalTech, would it be possible for you to 
install spamassassin?

Another method of attack is using an email client that has junk mail 
filters built into it. I use Mozilla's Thunderbird email client, which 
has junk mail filters that, once trained, filter out spam amazingly well.

Yet another solution would be to have your email sent through a 
third-party filtering service. (EG: postini) I've seen this method 
deployed very successfully at a local community college.

Just some thoughts.

-- 
Warm regards,
Jordan Michaels
Vivio Technologies
http://www.viviotech.net/
[EMAIL PROTECTED] 

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