Skipping filename checks inside zip files

[Matt Brodeur]

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   I'm new to both MailScanner and this list, so if there's an obvious
answer somewhere feel free to smack me with a clue by four.  Google
hasn't been much help on this.

   What I'd like is to skip file name/type checks within zip files,
while still checking the contents for known viruses.  Unzipped files
should still be subject to all checks.  I don't see a way to
selectively ignore zip contents, as the only option appears to be
disabling archive checking entirely.
   The point (in case there's a better approach) is that we have users
trained to zip files to get them through the virus scanners.  This was
fine with our old system which didn't even open archives.  Now we're
using MailScanner and it dutifully digs in, finds and blocks every
valid .exe, .chm, .avi, etc that our engineers pass around.  It's also
finding all the zipped viruses we get, so at least it's working.
   Is there a way to deal with this other than disabling archive
checks, disabling file name/type checks, manually whitelisting file
senders, or requiring users to encrypt thier zips?  Obviously none of
these are optimal, or I wouldn't be asking the question.

- --
Matt Brodeur                                                       RHCE
MBrodeur at NextTime.com                           http://www.NextTime.com

I don't suffer from insanity. I enjoy every minute of it.
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