Hi,
First, I recommend that you don't modify any mojoPortal feature unless you clone it first and then you can modify your clone.
While Form Wizard Pro does have some advanced features compared to the free contact form, it does not send email to the user who posted, it only sends notifications to the email address you specify the same as with the contact form. Even the free contact form has bcc but it is not bcc to the person who submits the form it is bcc to an email address you specify in the setting for Bcc.
Hope it helps,
Joe