connection parameters are below:

• username: your-username@cock.lt (meaning that you have to use your full email address)
• imap hostname: mx.cock.lt
ports:
• starttls: 143
• ssl: 993
• pop3 hostname: mx.cock.lt
ports:
• starttls: 110
• ssl: 995
• smtp hostname: mx.cock.lt
ports:
• starttls: 587
• ssl: 464

alternatively, you can also use the webmail interface by clicking "login" link up there.
if you can't solve your problem by these, mail me at berkay @ co...lt