POP3
From Indie IT Wiki
Checking With OpenSSL
Connect to the POP3 server using the command openssl...
openssl s_client -connect myserver:995 -quiet
It should give you this output...
depth=0 O = Dovecot mail server, OU = mail.domain.co.uk, CN = mail.domain.co.uk, emailAddress = root@mail.domain.co.uk verify return:1 +OK Hello
Give the following POP3 commands to check your details...
USER me@domain.co.uk +OK PASS mypassword +OK Logged in. QUIT +OK Logging out.
Checking With Telnet
Connect to the POP3 server using the command 'telnet severname port'...
telnet imap.server.co.uk 110
Give the following POP3 commands to check your details.
USER username PASS mypassword STAT LIST QUIT
