[koshie@smith ~]$ telnet sweet-host.fr 143
Trying 88.191.142.70...
Connected to sweet-host.fr.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot ready.
a login contact@sweet-host.fr passwd
* BAD [ALERT] Plaintext authentication not allowed without SSL/TLS, but your client did it anyway. If anyone was listening, the password was exposed.
a NO [PRIVACYREQUIRED] Plaintext authentication disallowed on non-secure (SSL/TLS) connections.
* BYE Disconnected for inactivity.
Connection closed by foreign host.