File command "whitelist"

[Alex Broens]

Guys

I need to "whitelist" a few filetypes which "file" considers executable

probably using

-f, --files-from namefile

(Read  the  names of the files to be examined from namefile (one
per line) before the argument  list.   Either  namefile	or  at
least  one filename argument must be present; to test the stan-
dard input, use ``-'' as a filename argument.)

Havent' been able to figure out how to implement this with MailScanner.

Any pointer or cluebat hits would be very appreciated.

Thanks

Alex