[Mimedefang] patch to add blocking of encrypted email via uv scan

[WBrown at e1b.org]

mimedefang-bounces at lists.roaringpenguin.com wrote on 12/09/2003 11:56:30 
AM:
>    Your fear may be unfounded. I suspect that'll be a virus with
> a low propagation rate, since a user dumb enough to click on untrusted
> content is likely also dumb enough not to find the password for the
> file...

Not really.  The email could easily state "Here are those pictures of your 
naked neighbor.  The password to open them is..." with some random string 
of characters.

It would slow the virus from propagating though, because it would have to 
encrypt each version sent separately.