telnet localhost 143
nitrohost# telnet 127.0.0.1 143
Trying 127.0.0.1...
Connected to localhost.nitrohost.org.
Escape character is '^]'.
* OK Dovecot DA ready.
nitrohost# telnet nitrohost.org 143
Trying 86.100.101.7...
Connected to nitrohost.org.
Escape character is '^]'.
* OK Dovecot DA ready.