It doesn't, so use a program like Lightflow. I use it to set up different colours for my notifications (ie. Red for GMail, Green for SMS, Purple for Calendar, Yellow for WhatsApp etc.)
Are you sure? I always seem to get a blue notification light when I receive a mail to my gmail account.
 
	 
  
 
		 
 
		
 
 
		 . Camera on the other hand works very well!
. Camera on the other hand works very well! 
 
		 
	 
 
		 
	