Yesterday, we got a call from ISP threating us to close internet connection. They say that from our server or Pc on Lan some spayware are being send out. We are running 2000 server with ISA firewall and proxiy server. All of the PC has Ez antivirus running. How to go about find out what is cousing it and how to solve it? How to see, what is send out? We have notice a lot of bad mail on our exchange server, which some time take hours to be deleted.