> I think you don't need a virus check at all, if you reject executable > file attachments. That's what a few years of experience tells me. Take a virus packaged as an executable file, rename it to README.TXT, and send it as an attachment to 100 domains with a message which says "Your e-mail system wouldn't allow me to send you this great video, so I've renamed it - save it as runme.exe, and give it a go". How many domains would accept it? I'd be prepared to wager that 90% plus would allow it through...because they have configured their virus scanner to only scan potentially damaging files, and they decide that a file is potentially damaging based on the user-provided file extension. Paul.
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