Log into your WebAura Client Area (https://portal.webaura.com/clientarea.php)

Click on "Services".

Click "Manage Product" on your active shared hosting service.

Scroll down the page and click on "Email Accounts" in the "Quick Shortcuts" section.

On the "Add Email Account" tab, enter the email account name you would like and a password for the account (twice).  Then click the "Create Account" button.