For cPanel (Linux package) please view this article
If you are making use of the cPanel platform then there is another way you are able to create email accounts and that is via your customer zone
Once you are logged in you can follow these steps:
1. Click on Services
2. Click on Manage Product next to the hosting package you wish to create the email address on.
3. Click on Email accounts in the menu below
4. Enter the details you wish to use for the email address