telnet localhost 143

Trying 127.0.0.1...
Connected to chbresser.com
Escape character is '^]'.
Connection closed by foreign host.

sudo netstat -ntlp | grep LISTEN

tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN      1148/mysqld
tcp        0      0 0.0.0.0:110             0.0.0.0:*               LISTEN      29547/dovecot
tcp        0      0 0.0.0.0:143             0.0.0.0:*               LISTEN      29547/dovecot
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1091/sshd
tcp        0      0 0.0.0.0:25              0.0.0.0:*               LISTEN      29708/master
tcp        0      0 0.0.0.0:993             0.0.0.0:*               LISTEN      29547/dovecot
tcp        0      0 0.0.0.0:995             0.0.0.0:*               LISTEN      29547/dovecot
tcp6       0      0 :::110                  :::*                    LISTEN      29547/dovecot
tcp6       0      0 :::143                  :::*                    LISTEN      29547/dovecot
tcp6       0      0 :::80                   :::*                    LISTEN      23582/apache2
tcp6       0      0 :::22                   :::*                    LISTEN      1091/sshd
tcp6       0      0 :::25                   :::*                    LISTEN      29708/master
tcp6       0      0 :::993                  :::*                    LISTEN      29547/dovecot
tcp6       0      0 :::995                  :::*                    LISTEN      29547/dovecot

auth_debug = yes
auth_debug_passwords = yes
auth_mechanisms = plain login
auth_verbose = yes
debug_log_path = /var/log/dovecot/dovecot-debug.log
disable_plaintext_auth = no
log_path = /var/log/dovecot/dovecot-deliver.log
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_debug = yes
mail_location = maildir:/var/vmail/%d/%n/Maildir
mail_plugins = " quota"
mail_privileged_group = mail

namespace inbox {
    inbox = yes
    location =
    mailbox Drafts {
       special_use = Drafts
    }
    mailbox Junk {
       special_use = Junk
    }
    mailbox Sent {
       special_use = Sent
    }
    mailbox "Sent Messages" {
       special_use = Sent
    }
    mailbox Trash {
       special_use = Trash
    }
    prefix =
}
userdb {
    driver = passwd
}

passdb {
    args = %s
    driver = pam
}
protocols = "imap pop3"

protocol imap {
    mail_plugins = " autocreate"
}
plugin {
    quota = maildir:storage=1000000
    autocreate = Trash
    autocreate2 = Sent
    autosubscribe = Trash
    autosubscribe2 = Sent
}

service auth {
    unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0660
    user = postfix
    }
    unix_listener auth-master {
    mode = 0600
    user = vmail
    }
    user = z

}
    service imap-login {
       inet_listener imap {
        port = 143
    }
    }
    protocol imap {
       mail_plugins = " quota imap_quota"
    }