May want to account for foreign languages also. I just received this spam
while I was adding your URL obfuscation filter.

Недорогие
звонки
зарубеж!

Mike


----- Original Message -----
From: "Matthew Bramble" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, September 15, 2003 12:40 PM
Subject: Re: [Declude.JunkMail] OBFUSCATION filter


> Pete,
>
> It's not redundant because the two by themselves only check for strings
> of two, while the combination checks for strings with one of each in
> succession.  This way, if they go back and forth between the two, it
> will get caught as long as there is a "." or "@" between them, or as
> long as it is URL encoding followed by HTML encoding.  I left out the
> other way around because it was only a two character string, ";%" and
> wanted to protect from FP's.
>
> I do appreciate the feedback though...I do of course make mistakes.
>
> Matt
>
> Pete McNeil wrote:
>
> > Matt,
> >
> > It appears that your coding for a combination of http & url encoding
> > in urls is redundant since you capture both types individually. It's a
> > small optimization, but worth mentioning.
> >
> > _M
> >
> > At 07:46 PM 9/14/2003 -0400, you wrote:
> >
> >> I've posted a newer version of the OBFUSCATION filter on my site.
> >> This contains the removal of the attachment thing and also the
> >> removal of 6 (of over 100) tests in order to be more forgiving, sans
> >> the PayPal issue.
> >>
> >>
http://208.7.179.20/decludefilters/obfuscation/obfuscation_09-14-2003c.txt
> >>
> >>
> >> If you find any false positives with this besides the Ticketmaster
> >> one that I've already counterbalanced, please let me know.  I would
> >> imagine that posting to this group would be better than PM's unless
> >> others mind having discussion here.  That way everyone would know
> >> about any issues ASAP.
> >>
> >> Thanks,
> >>
> >> Matt
> >>
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