filename vs. filetype in blocking executables

[Mailgate IHuff]

I'm trying to allow a certain type of executable file (.sea, macintosh
self-extracting archive) through the MailScanner, while blocking all
other types of executables.  I have "allow   \.sea$' in
filename.rules.conf and "deny executable" in filetype.rules.conf.  It
appears that the files are being denied because they are executable,
even though I've specifically allowed that extension.  Is there a way to
do this?

Thanks,
Isaac Huff

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