http://p30droid.com/topic/2358-%D8%A7%D8%B1%D8%B3%D8%A7%D9%84-%D8%A7%DB%8C%D9%85%DB%8C%D9%84-%D8%A7%D8%B2-%D8%B7%D8%B1%DB%8C%D9%82-%D8%B3%D8%B1%D9%88%DB%8C%D8%B3-mandrill-%D9%88-%D8%AA%D9%88%D8%B3%D8%B7-retrofit/?do=findComment&comment=9341