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Blocking foreing character sets.

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invicta View Drop Down
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    Posted: 05 October 2009 at 1:05pm

I am blocking certain countries such as Russia in our SpamFilter for a particular client. They still receive mail that has Russian character sets but that do not have the .ru domain.

 
What is the best way to block e-mails that use Russian characters? They also want to block several other character sets.
 
 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Thermo Quote  Post ReplyReply Direct Link To This Post Posted: 05 October 2009 at 3:30pm
http://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=6636&KW=koi8-r&title=trouble-with-russian-spam
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Post Options Post Options   Thanks (0) Thanks(0)   Quote invicta Quote  Post ReplyReply Direct Link To This Post Posted: 05 October 2009 at 4:05pm
Originally posted by Thermo Thermo wrote:

http://www.logsat.com/spamfilter/forums/forum_posts.asp?TID=6636&KW=koi8-r&title=trouble-with-russian-spam

((?i)charset=("){0,1}.*((windows-1251)|(koi8-r)|(2022-jp)))

If I wanted to add additional character sets, would I just add them in parenthesis separated by the | symbol?

Is this the best way to implement blocking character sets? Kind of surprised there isn't a check box for character sets like there is for filtering mail from different countries...
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