http://bugzilla.spamassassin.org/show_bug.cgi?id=4569





------- Additional Comments From [EMAIL PROTECTED]  2005-09-26 13:46 -------
Subject: Re:  create rule to restrict non-western  ISO 8859-1 characters

On Mon, Sep 26, 2005 at 11:18:35AM -0700, [EMAIL PROTECTED] wrote:
> Create optional filter to restrict subjects from containing ISO 8859-1
> characters 192 AND ABOVE.
> 
> Will trap subjects with trick characters like Vi�gra and C�al�s.

Well, we already have that basically, not as a rule but a subrule
(__SUBJECT_NEEDS_MIME).  Doing a quick run on ~2 weeks of mail:

 28.062  33.8854   0.3925    0.989   0.80    1.00  __SUBJECT_NEEDS_MIME

So it's not a bad rule for me, but does FP more than we'd normally like.
If I then narrow it down to subjects which have those characters that
aren't encoded (which is really what you're looking for I think):

 13.652  16.4864   0.1869    0.989   0.60    0.01  T_SUBJECT_NEEDS_ENCODING

Which seems to cut down 50%, but same as above.  It's also not clear what this
would do on non-English mails where I believe the non-encoded thing is more of
a common practice RFC or not..





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