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  #1  
Old
Junior Guru Wannabe
 
Join Date: Dec 2005
Location: Canada
Posts: 31
Angry

Spam Filter! Help!


I have dedicated server and I need spam filer I have spam filer in Ensim control panel but it donít work good, all my clients get like 50 to 60 spam every day per email address, can any one tell me what to do which spam filter to use, I need not to expensive, please help me out thanks.



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  #2  
Old
New Member
 
Join Date: Dec 2005
Posts: 4
SpamAssassin ?

  #3  
Old
Web Hosting Master
 
Join Date: Mar 2006
Posts: 644
Can i know the what mailserver you are running?

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  #4  
Old
Junior Guru Wannabe
 
Join Date: Dec 2005
Location: Canada
Posts: 31
Ensim Pro already comes with Spamassassin

we are using SquirrelMail version 1.4.5

  #5  
Old
Web Hosting Guru
 
Join Date: Nov 2004
Posts: 257
Squirrelmail is just the webmail client. Spamassassin would work well, but Im curious to what is running your spam filter now. Do you use a complete control panel to administrate the server like Plesk or cPanel?

Silly

  #6  
Old
Junior Guru Wannabe
 
Join Date: Dec 2005
Location: Canada
Posts: 31
i am using SquirrelMail version 1.4.5 with ensim pro control panel and in ensim Spamassassin comes, but we are facing spam mail, what to do....

  #7  
Old
Junior Guru
 
Join Date: Mar 2006
Posts: 221
Check your spam assassin settings and increase the spam filtering level by reducing the value for "required_score" in the spamassassin configuration file. Decreasing this will lower the points for which a mail will be considered spam and consequently filtered by SpamAssassin.

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  #8  
Old
Web Hosting Master
 
Join Date: Nov 2001
Location: Ann Arbor, MI
Posts: 2,978
Increasing the threshold of spamassassin will also cause you more false positives. Can you describe the type of spam that you're receiving that spamassassin isn't blocking? All spam filters have weaknesses in the type of spam they're good at blocking.

I would recommend a service such as spamstopshere or edoxs brightmail. People think that spamassassin is "cheaper", but it will cost one more due to management costs and damage from false positives. Also, one basically needs to review all messages tagged as spam by spamassassin, due to inaccuracy, so you might as well have them sent to your inbox for review (not use an anti-spam product).

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  #9  
Old
Web Hosting Master
 
Join Date: Mar 2002
Location: UK
Posts: 1,262
Mailscanner has been good for me - now that I've found the "learn" interface, just tick which is spam and works fine in a short time.

  #10  
Old
Aspiring Evangelist
 
Join Date: Mar 2005
Posts: 359
Quote:
Originally Posted by grandad
Mailscanner has been good for me - now that I've found the "learn" interface, just tick which is spam and works fine in a short time.
'learn' interface? could you please explain ?

Where can I get a interface for mailscanner to train?

Thanks

  #11  
Old
Web Hosting Master
 
Join Date: Nov 2001
Location: Vancouver
Posts: 2,416
If you can, stop the spam from even hitting spamassassin and razor/pyzor and dcc... kill while the smtp session is still going on, before its accepted to your mail queue.

On a typical day my mail servers are blocking 60, 70, 80% of spam at that level, which means, yes, 60, 70% less bandwidth used for mail that is just going to be discarded or bounced (if posisble).

Spam volume as % of total : 3.82%
(that which passes through SMTP)

Of what makes it through the first challenge, most of the rest is dealt with using fairly stock Spamassassin rules, simply tags 'spam' with score of 5 and above, bounces spam level > 6.5 (system defaults, not user settings - those are adjustable). Pyzor and DCC round out the picture (via SA). Bayesian filters on too.

Average message score : 1.41
Average spam score : 12.42
Average clean message score : 0.33
Spams : 8.55%
Clean messages : 91.45%

Have found this to be almost self-managing, but I watch it anyway.

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  #12  
Old
Aspiring Evangelist
 
Join Date: Mar 2005
Posts: 359
But there is a "learning" interface for mailscanner?

Someone knows something about that?

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