How do you know which character set the mail is using?  Do you read the
body of the email until you find some number of ascii characters that are
outside of your acceptable ascii character range?  Or is there a header
entry that you look for?

Tom Hightower
Solutions, Inc
http://www.simas.com



                                                                                       
                                                
                      "Anthony E.                                                      
                                                
                      Greene"                  To:       [EMAIL PROTECTED]             
                                           
                      <[EMAIL PROTECTED]        cc:                                    
                                                 
                      m>                       Subject:  Re: Great - just another spam 
block...                                        
                      Sent by:                                                         
                                                
                      redhat-list-admin                                                
                                                
                      @redhat.com                                                      
                                                
                                                                                       
                                                
                                                                                       
                                                
                      06/24/2003 07:56                                                 
                                                
                      AM                                                               
                                                
                      Please respond to                                                
                                                
                      redhat-list                                                      
                                                
                                                                                       
                                                
                                                                                       
                                                




On 18-Jun-2003/19:25 -0400, Gerry Doris <[EMAIL PROTECTED]> wrote:
>I just filter them out using procmail.  Anyone who sends me those stupid
>messages gets all further mail sent to /dev/null.

That is unfortunate. I use filters and a homegrown challenge/response
system that operates like this:

 1. Filter mail from mailing lists.
 2. Filter mail from my scripts.
 3. Delete mail marked by my ISP as spam (scored 10/10).
 4. Delete mail in character sets which I cannot read.
 5. Delete mail from unwanted senders (blacklist/killfile).
 6. Filter mail from known senders (whitelist).
 7. Filter mail that is in reply to a message from me.
 8. Challenge all other mail.


Tony






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