From: =?UTF-16?B?//492Enc?= test
To: test
Message-ID: <123@test.example.com>
Date: Thu, 16 Jun 2016 00:41:19 (UTC)
Subject: =?UTF-8?B?44CQ6YeN6KaB6KiK5oGv44CR5Y+w6Zu7MTA15bm0?=
         =?UTF-8?B?M+aciOmbu+iyu++8jOWnlOiol+mHkeiejeapn+ani+aJow==?=
 =?UTF-8?B?57mz5oiQ5Yqf6Zu75a2Q57mz6LK75oaR6K2JKOmbu+iZnw==?=
 =?UTF-8?B?MDc0ODc2MTY3MzAp?=
test