How to Enable Telnet on Windows 7
Enabling Telnet in Windows 7
To enable telnet in Windows 7 navigate to the Control Panel.
Click on Get Programs.
Click on Turn Windows feartures on or off.
Please wait(this can take a minute depending on your system)
Now Navigate down and find telnet...
Click the check box next to Telnet Client and click OK
Wait a little longer...
Once the window disappears, you should be able to access telnet.
Open a command prompt and try to telnet to our mail server.
If you see this, telnet is working.