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From "Noel J. Bergman" <n...@devtech.com>
Subject VirtualUserTable during SMTP transport
Date Sun, 11 Sep 2005 17:01:38 GMT
One of the major problems for mail administrators these days is the
incredibly high volume of dictionary attacks and spoofed sender addresses.
I have seen that you can get into block lists simply for sending DSN
responses.  Therefore, I believe that we're going to need to support
in-protocol virtual user table translation, so that we can NAK the address
without needing to send a bounce.

	--- Noel

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