[vps-mail] procmail to score an ISO-8859 subject

[Sikaspam <sikaspam@xxxxxxxxxxx>]

Hey Scott (et al),

I was wondering how easy it would be to analyze the ^Subject as follows:

:0
* ^Subject:.*iso-8859-1

and then

check for the presence of at least 1 hex number representing an accented 
character. I was thinking that encoded subjects with no accents seem to
be yet another spammer ruse. I can't recall seeing an encoded subject 
(except maybe in Japanese) that wasn't spam.

for example
é is =E9

Maybe just check if there are ANY 8 bit characters? Any ideas on this 
from anyone? I'd like to put it to the test.

Does anyone know if common email clients encode subjects unnecessarily? 
I don't think Mozilla based ones do, but maybe Eudora or others do?
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