Android : Intent.ACTION_SENDTO show two options , I want to show only one

Intent.ACTION_SENDTO in shows two options but my clent is asking to remove the gmail option and i don't see a way out please help me

  Intent emailIntent =
 new Intent(Intent.ACTION_SENDTO,
 Uri.fromParts( "mailto",userInput.getText().toString(), null));
 emailIntent.putExtra(Intent.EXTRA_SUBJECT, "Press Release");
 emailIntent.putExtra(android.content.Intent.EXTRA_TEXT, "Please view this press release");
 startActivity(Intent.createChooser(emailIntent,"Send mail using..."));