How to send a mail in windows phone application 8.1

EmailComposeTask emailComposeTask = new EmailComposeTask();

emailComposeTask.Subject = "message subject";
emailComposeTask.Body = "message body";
emailComposeTask.To = "recipient@example.com";
emailComposeTask.Cc = "cc@example.com";
emailComposeTask.Bcc = "bcc@example.com";

emailComposeTask.Show();