You can easily create e-mail accounts from your hosting account's Control Panel (cPanel). Here is what you need to do:
STEP 1 Log into your cPanel
STEP 2 Once at the main page, click on the Email Accounts icon.
STEP 3 In the fields provided, type the name of the account, the password and the disk space you would like to assign to the mailbox.
STEP 4 Click on the Create Account button to create the mailbox.
You will be taken to a page which asks you for confirmation. Click on Yes to create the mailbox.