ryan@rkavanagh:~$ telnet localhost 1025
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 rkavanagh ESMTP Postfix (Ubuntu)
^]
telnet> quit
Connection closed.
ryan@rkavanagh:~$ telnet 192.168.1.101 1025
Trying 192.168.1.101...
Connected to 192.168.1.101.
Escape character is '^]'.
Connection closed by foreign host.
ryan@rkavanagh:~$