The mail server is setup when you create an account with UCVHost that has a domain name - domain.name. There are POP3 (port 110), SMTP (port 25), servers. There is also a web interface to the mail server at:
http://www.domain_name.com:8383/

to log in pls put in

username: webmaster@domain_name.com
password: password as supplied in the welcome message