+Mime-Version: 1.0
+From: Bar <bar@example.org>
+To: Baz <baz@example.org>
+Subject: Subject Test Header
+ =?UTF-8?q?=E3=83=86=E3=82=B9=E3=83=88?=
+ =?UTF-8?q?=E3=83=98=E3=83=BC=E3=83=87=E3=83=BC?=
+Date: Mon, 15 May 2017 15:55:01 +0900
+Content-Transfer-Encoding: quoted-printable
+Content-Type: text/plain; charset=UTF-8
+Message-Id: <20170515065506.03959103B49@example.org>
+
+This is a test email
+
+!
+
+cat >"$MH_TEST_DIR/Mail/inbox/12" <<!