[Mimedefang] exe gets past Mimedefang
David F. Skoll
dfs at roaringpenguin.com
Tue Sep 30 09:56:01 EDT 2003
On Tue, 30 Sep 2003, Joseph Brennan wrote:
> Some virusmail product got an executable past Mimedefang this
> morning.
> Content-Type: audio/x-midi;
> name=;key=placement_2;sz=140x60;ptile=2;ord=1042208295266[1].exe
Any MUA that interprets that as an .exe attachment is broken; see the
MIME RFC. I've written a few times before that while I will try my
best to make sense of broken MIME, there are limits. It's up to you
to ensure your MUA's are at least semi-sensible.
(Didn't the file-content "MZ" trick work for you?)
Regards,
David.
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