Your control panel can be accessed by going to https://<your_domain>:8443 or using the link provided in the Welcome Email you received when you signed up.
If you require login details, then please open a support ticket and login details will be send out to the domain admin contact
In your Control Panel you can mange items such as
- Email Accounts
- Databases
- Users Passwords
- Forwarding & Aliases
- Vacation Messages
- Account Quotas
- Website Statistics
- PHP Version
- Install Applications such as Wordpress