Log into Plesk control panel on your cloud server.
If using your admin login, go to Hosting Services – Domains and click the Control Panel link.
Click the Mail tab at the top.
Click the Create E-mail Address button.
Enter a name for this email account.
Select the desired domain name from the drop-down.
Specify the mail box size limit (25 MB is a good start).
Enter and confirm a password for this email account.
Click the OK button to finish.