On Tue, 12 Sep 2006 15:51:08 -0400
Bart Silverstrim <[EMAIL PROTECTED]> wrote:

> Something inside our network is infected with a spam-mailing trojan.   
> We now have our PIX firewall set to block all outgoing traffic to  
> port 25 unless it is from our mail server.

you should also accept only authenticated smtp connections from your LAN (or
exchange only, if you can), and limit the number of  recipients per email.
Pretty sure you can limit the rate at which xchange will send emails out
(virtual smtp server). Then just check the xchange queues ... see them
grow...and wonder why did we (I'm in the same boat ;) ) went with xhcnage in
the first place :D


{Beto|Norberto|Numard} Meijome

"I don't think they could put him in a mental hospital.  On the other
hand, if he were already in, I don't think they'd let him out."

I speak for myself, not my employer. Contents may be hot. Slippery when wet.
Reading disclaimers makes you go blind. Writing them is worse. You have been
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