Login to your control panel at https://cp.domaincheck.co.uk/cp
In the subscription drop-down box at the top of the screen, select your domain name’s hosting plan subscription.
Click on the Mail tab
Click the Email Address you want to change
Enter a new password to access this mailbox with and confirm it in the “Confirm Password” box
If you would like to generate a random password click on the “Generate” button to create a random password. Click on the “Show” button to display the newly generated password.
Click “Ok” to save the settings