Intent chooser with only email programs included. https://developer.android.com/guide/components/intents-common.html#Email

Intent for email applications

 
 String subject = "Subject";
 String destinationEmail = "[email protected]";
 
 
 Intent intent = new Intent(Intent.ACTION_SENDTO);
     intent.setData(Uri.parse("mailto:")); // only email apps should handle this
     intent.putExtra(Intent.EXTRA_SUBJECT, subject);
     intent.putExtra(Intent.EXTRA_EMAIL, destinationEmail);
     Intent mailer = Intent.createChooser(intent, null);
     startActivity(mailer);