Re: Determing source of spam on NAT network

2007-05-17 Thread Matt Kettler
Robert Fitzpatrick wrote: > We have a mail server that got listed on Outblaze, below is their > evidence. The IP and reverse DNS points to our NAT firewall. Since that > is the only received header, is there any way for me to track where this > came from? What IPs do you NAT against that IP? All of

Re: Determing source of spam on NAT network

2007-05-17 Thread SM
At 09:19 17-05-2007, Robert Fitzpatrick wrote: We have a mail server that got listed on Outblaze, below is their evidence. The IP and reverse DNS points to our NAT firewall. Since that is the only received header, is there any way for me to track where this came from? I check the mail logs on the

Re: Determing source of spam on NAT network

2007-05-17 Thread Theo Van Dinter
On Thu, May 17, 2007 at 12:19:39PM -0400, Robert Fitzpatrick wrote: > We have a mail server that got listed on Outblaze, below is their > evidence. The IP and reverse DNS points to our NAT firewall. Since that > is the only received header, is there any way for me to track where this > came from? I