Jeremy Kitchen wrote:
Well, rejecting a message does alert the user if the user is sitting behind
their mail client that sent it.  Most viruses have their own engines to
send out copies of itself.  While the 5xx response message is still sent
back it never makes it to the person using the computer to make them
aware of the rejection.


that's why you also have a log watcher on your SMTP logs that checks if one of your own users is attempting to send viruses. You then match up their IP address and the timestamp with the radius logs (assuming a dialup ISP) and pick up the telephone.

-Jeremy

Well, of course.  But we are way off topic of saying that you should never
send back a notify message.

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