If you are having problems If you have any questions or encounter any problems, you can consult the 'Mail essentials FAQ' in the Mail essentials Program Group, which will automatically connect you to theError! Bookmark not defined. If you do not find your aError! Bookmark not defined. or contact your dealer or distributor, or one of GFI's offices. When sending email, please be sure to include the following The troubleshooter output Your serial number A valid email return address. If your email is not working, include a fax number.