RE: [Exim] Spammer or new virus?

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Author: Steve Drees
Date:  
To: Marc MERLIN
CC: exim-users
Subject: RE: [Exim] Spammer or new virus?
> 1) Klez forges the envelope From too? (not just header From)
> 2) Klez will look up the MX for the forged From and attempt to send the
>    mail through there?


Klez attempts to guess the MX to use based on email addresses it harvests
from your system.
Klez does not require a correctly configured email client to spread.