You would probably want to respond to the user, and it is possible only if they give you their email in the form. Although, this can be solved by treating the F

You would probably want to respond to the user, and it is possible only if they give you their email in the form. Although, this can be solved by treating the From field in the mail form as just a field of information and have that in the body of email. But that would make automated replies difficult.