Our Exchange server (2K) is also natted.  We haven't had any problem that you seem to 
be having.

Paul Chinnery
Network Administrator
Mem Med Ctr


-----Original Message-----
From: Bridges, Samantha [mailto:[EMAIL PROTECTED]
Sent: Wednesday, December 17, 2003 1:13 PM
To: Exchange Discussions
Subject: Spamcop/NAT


Hello All.

I am still getting notifications from spamcop.  I know the Exchange
server is not relaying.  

The Exchange server in question is behind a NAT.  Could being behind a
NAT somehow make the Exchange server "appear" to be open relay because
of the NAT translating the addresses from the outside?

"Exchange Servers behind NAT devices might be seeing the connection as
coming from the local subnet, thereby allowing relaying."  

I hope I am making sense.  Should I move the Exchange server out from
behind the NAT?


Samantha

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