This isn't your first post so please don't put everything in code tags, see How do I post a question effectively? and Writeup Formatting Tips.

You will need to use the CGI module (see Ovid's CGI Course - Resurrected and Updated!). For sending mail use the MIME::Lite module (as I already advised using in reply to one of your previous posts. Should you need help installing modules see Installing Modules from the tutorials section of this site.