To help prevent unauthorized users from abusing our system you must create the email account in control panel that you have your form configured for.
The email account, that your form sends to, must exist in your control panel.
You will also want to reference SMTP @ /usr/sbin/sendmail
You may also wish to test the system by using the following simple script in a .php file:
<? $headers = 'From: firstname.lastname@example.org'; mail('email@example.com', 'Test email using PHP', 'This is a test email message', $headers, '-firstname.lastname@example.org'); ?>