...
Navigate to https://support.voonami.com
Select Reset Password link - https://support.voonami.com/retrievepw.php
Select "Username" from the dropdown list of optionsIf you are logging in with your client ID, please select Client ID from the Dropdown List. If you are logging in with your Email Address, please select Email Address from the Dropdown List.
...
Enter your email address in the username field
...