Claws and onionmail.info .

Hello,
I created an account on onionmail.info website like below:
Code:POP3 Server xhfheq5i37waj6qb.onion
Server type POP3
Server Port 110
SSL Mode Use SSL via STLS (TLS)
Password type Clear
POP3 Username Example
POP3 Password y<QRM3z[Q"+a\EvC+51'SVlCUbaBbCN~E,UDKzT
Connect via TOR network
Send Messages
SMTP Server xhfheq5i37waj6qb.onion
Use authentication Y
Server type SMTP
Server Port 25
SSL Mode Use SSL via STARTTLS
Password type Clear
SMTP Username Example
SMTP Password ?FUFDS\PD.HqL6?m{fy})|''m4@^-9RQ".xEb6\
Connect via TOR networkI configured Claws proxy for use Tor, but when I want to connect to the onion server then it show me below error:
Code:* Account 'example@xhfheq5i37waj6qb.onion': Connecting to POP3 server: xhfheq5i37waj6qb.onion:995...
*** xhfheq5i37waj6qb.onion:995: unknown host.How can I solve it?

Thank you.