To create an email account please login to your control panel and click add/remove email account.

By default you have no email address setup.

In cpanel the main username may look like it's a setup email, but if you wish to use it you will need to add it as an email account.

Flash Tutorials

Create a POP3 email account in cpanel

Create an Email Account in DotNetPanel

In Helm, you'll need to create the first email address to have MX record created in dns zone.

Create a POP3 email account in Helm