Sending Login/Registration Form details To My Gmail/Yahoo in

I will like to have a login/registration form in my app to collect users details
when user clicks on submmit button i want to recieve the details in my
personal mail box like gmail or yahoo mail.
How can i set this up in my app
I have set up the form in my xaml and cs but when the user clicks on send button
how to configure to recieve the details in my mailbox