- 1). Click the "Start" button on the desktop, then click "Search" and enter "cmd" into the "Search" box. Right-click on the command line icon that appears in the left pane and click "Run as Administrator."
- 2). Type "netstat --aon" and press the "Enter" key. Note the PID (process ID) number on each line and the port number associated with each process ID.
- 3). Type "tasklist /svc /F1 "PID eq PID_Number" and replace "PID_Number" with a PID number noted in the Netstat command line output. Press the "Enter" key. Note the "Image Name" displayed in the Tasklist output. Repeat for each PID number noted in the Netstat command line output.
- 4). Note the port numbers where the Tasklist output displays the SMTP server program name as the "Image Name."
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