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Re: procmail filter to catch ????????????????????

On Tue, Feb 19, 2002 at 01:53:20PM +0000, Anthony Campbell wrote:
| On 19 Feb 2002, Patrick Kirk wrote:
| > On Tue, 2002-02-19 at 09:39, Anthony Campbell wrote:
| > > Can anyone suggest a procmail filter that will catch at least some of
| > > the From: \123\456\789\........... stuff?
| > > 
| > > (I mean what you see for the From: and Subject: lines with
| > > ?????????????????)
| > > 
| > Thats where the text is in Chinese or Korean or some such character
| > set.  Just set procmail to block that character set and you'll never see
| > them again.  Unless of course you do speak Korean in which case its back
| > to the drawing board ;-)
| > 
| I know that's what it is but my question is: how do I block it?

For a partial solution :

* ^Content-Type:.*charset=(big5|ks_c_5601-1987)

Though some messages don't mention a charset, and there are surely
others that SA's CHARSET_FARAWAY test would catch for you.  The other
check SA does to catch this sort of junk is to look for characters
with the high-order bit set.  No non-english language can represent
its entire alphabet using the US-ASCII charset.



The teaching of the wise is a fountain of life,
turning a man from the snares of death.
        Proverbs 13:14

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