Desktop E-mail software for Gmail, Hotmail and Yahoo mail.

I have a C# desktop email software that i want to sell with source code, complete visual C# project. Through this software you can send emails directly from your desktop to anybody having gmail, hotmail, yahoo mail account. You will have to select server from Google, Yahoo or Hotmail then enter your email-id and password then To:"" email id then To Name and From Name for email to be shown in inbox of reciever now enter subject and body of email and click send button. View attached image to view how much user friendly and simple interface i made. If you want any more feature to be added then tell me i will try to add that for you only.