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1. Determine the IP address or host name of the remote computer/virtual server.
2. Determine the TCP port number to connect with. (For example, you want to connect using SMTP port then TCP port is 25.)
3. Start menu => Run => cmd
4. Type the command. telnet hostname port_number
5. Hit enters.
Below mentioned are some Port numbers:
SMTP 25
POP 110
IMAP 143
HTTP 80
FTP 21
2. Determine the TCP port number to connect with. (For example, you want to connect using SMTP port then TCP port is 25.)
3. Start menu => Run => cmd
4. Type the command. telnet hostname port_number
5. Hit enters.
Below mentioned are some Port numbers:
SMTP 25
POP 110
IMAP 143
HTTP 80
FTP 21
