New email address

Login to your control panel at Domaincheck Control Panel

subscriber and subscription

In the subscription drop-box at the top of the screen, select your Plesk Domain subscription.
Mail
Click on Mail
create new email address
Click the Create Email Address button
create email address
Type the email address you would like and choose a new password to access this mailbox then click Ok

If you would like to use 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 on OK