You can check out the limits on resource usage and domain validity period.
To do that:
Click the 
Limits icon on the Domain administration page. The Domain limits page
will appear displaying the information on limits defined. Note, that
Mailbox quota defines the amount of disk space that you are allowed to
have per mail box on a single domain.
Microsoft databases quota and MySQL databases quota define maximum total amounts of disk space that each type of databases on a domain can occupy.
Click Up Level to return to the Domain administration page.
