After all the bashing about scores <-5, I'd suggest scoring these around -2 or 
-3: they're extremely easy to forge if you're a spammer.

C

Matthew Cline wrote:

> Date: Fri, 1 Mar 2002 00:40:41 -0800
> From: Matthew Cline <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: [SAtalk] Filter idea: non-spammish mail agents
> 
> Here's something that I'm currently trying out: make a list of mail user 
> agents which are unlikely to be used for spam, and lower the hits for mail 
> that matches.  Here's what I currently have:
> 
> header NON_SPAM_MAILER_1        X-Mailer =~ 
> 
>/(?:CWMail|Edsamail|eGroups|KMail|MailCity|MIME-tools|Mozilla|Eudora|Yahoo|Evolution|Internet
> 
> Mail Service|SquirrelMail|Apple Mail|Excite|exmh|Lotus 
> Notes|Opera|Z-Mail|fastmail|Perl|Emacs)/
> describe NON_SPAM_MAILER_1      User agent not one often used for spamming
> 
> header NON_SPAM_MAILER_2        User-Agent =~ 
> /(?:Mutt|Mozilla|Emacs|eGroups|Microsoft-Entourage|SavvySubmit)/
> describe NON_SPAM_MAILER_1      User agent not one often used for spamming
> 
> score NON_SPAM_MAILER_1        -10.0
> score NON_SPAM_MAILER_2        -10.0
> 
> 


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