[Mimedefang] Considering an additional spam filter
Jim McCullars
jim at info.uah.edu
Sat May 24 20:04:01 EDT 2003
On Sat, 24 May 2003, Michael Sims wrote:
> Yeah, I'm seeing this too. I first noticed it when I saw the word "Oprah" in
They are increasing. I have gotten six so far today.
And now someone has a new take on doing hidden html. I saw another
spam today that had valid HTML tags (<INPUT type=hidden name=fdas>)
breaking up the "catch" words. Don't know if SA should have caught that
or not. I'll have to experiment when I get back to the office.
> I think it's a good idea to try and strip these tags out, but this is one of
> those things that's extremely complicated. Tags can be split across multiple
> lines and can be nested inside HTML comments, and you can also have tags like
> this:
Yeah I realize my solution isn't perfect (I read the caveat in the Perl
Cookbook also). I'm just curious as to whether anyone sees anything
obvious that might break something legit.
> Personally this is a bit too involved for me...I'm hoping that the next version
> of SpamAssassin will be better at catching this sort of thing...
Ditto. But from reading the SATALK archives, I get the impression this
is something they are struggling with also.
Jim
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