>     I am forwarding a message that declude has been sending me. I just want
>to see if I interpret this correctly. I have been getting hundreds of these
>virus messages, all from the jleclair05 account. I do have a user here by
>that name AND, to make matters worse, the 10.200.11.65 address is an
>internal DHCP address, but is non routable and would be natted to a
>different address in our firewall.

I hate to say it, but I can say with about 99.9% certainty that the virus 
is on the computer at 10.200.11.65:

> > Headers:
> > Received: from Yik [10.200.11.65] by mcgraw.elmira.edu
> >   (SMTPD32-7.05) id A84FB4901FE; Thu, 05 Sep 2002 08:04:34 -0400
> > From: webmaster <[EMAIL PROTECTED]>

Since there is only one Received: header, that means that the virus's SMTP 
engine connected directly to your mailserver.  As far as I know, Klez 
doesn't attempt to forge IP addresses (which would be *extremely* difficult 
to do on Windows machines, which are the ones that Klez infects, and 
wouldn't do much to help increase the spread of Klez).

If all of the messages are from the jleclair05 account, there's a very good 
chance that account is the one that is infected, so that would be a good 
place to start.  But, I can almost guarantee that the IP 10.200.11.65 does 
exist on your network, and is the source of the virus.
                                    -Scott

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