[Mimedefang] Only scanning incoming messages?
Rich West
Rich.West at divatv.com
Thu May 16 10:09:49 EDT 2002
Just to second this opinion, I would like to point out that, by allowing
outgoing email to remain unfiltered yet filter incoming, you are really
only doing half of the job, Viruses enter a clean environment through
many other ways than email, and if a known virus originates from within
your organization and spreads via email, it will flow freely.
Same goes for SPAM.
-Rich
>It is never a good idea to base processing decisions on the sender
>e-mail address, because that's easy to fake. The relay IP address
>is a lot harder to fake, and practically impossible if you use
>proper ingress rules on your firewall.
>
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