How would you find which other program is listening to outgoing port 25. I am using Outlook for email and have not installed anyother mail programs and I am using Zonealarm.
Any ideas?
To find out which process is listening on which ports, you can use e.g. the TCPView tool from sysinternals.com.
http://www.sysinternals.com/files/tcpview.zip
Vlk