1. LOGIN to your CPanel Account.
  2. In the "Mail" Section, CLICK "Email Accounts".
  3. Below the creation of new email section, ENTER the email in the textbox. and then CLICK "Search Email".
  4. In the ACTIONS row, CLICK "Change Password" or "Change Quota" to update the email account.
    - Changing password, either ENTER your own password or USE a password generator for more secure password. And then CLICK "Change Password" button.
    - Changing Quota, either SET the prefer quota for the email account or CLICK "Unlimited".