Slackware 13.37 + Dovecot 2.0.15 (POP3 Testing)

This is the way to testing our POP3 installation, every steps should be give correct result.

# telnet localhost 110
# telnet 192.168.110.254 110
# telnet nebula.despro.lan 110

Will given the same results (except IP address and Hostname):

Trying 127.0.0.1...Connected to localhost.Escape character is '^]'.  <-- it means Ctrl + ]+OK Dovecot ready.user fmaster <-- your username+OKpass ******* <-- your password+OK Logged in.quit+OK Logging out.Connection closed by foreign host.

Also check for secure POP connection on port 995

# openssl s_client -connect localhost:995
# openssl s_client -connect 192.168.110.254:995
# openssl s_client -connect nebula.despro.lan:995

Will given same result :

CONNECTED(00000003)
---
---
+OK Dovecot ready.
quit
+OK Logging out
closed

Done

for more advanced testing methode, please take a look these references

Referensi : Referensi 01 Referensi 02