Modify Pluguin wordpress - I need you to start now!

I need to make some improvements in a pluguin submission form that I already have. would be to 1 - Place Recapcha for validation 2 - Save the text, email, and message and then I could see what was sent. 3-When sending a message displaying a message at the end of the form that was submitted successfully. 4 send a standard email to whoever sent the form. 5 Power call via the form [form] 6 include authentication via SMTP. 7. Include copies hidden.