From: testfrom@example.com 
To: testto@example.com
Subject: Re: child 0.1.0
Message-Id: <child0.1.0@msg.id>
References: <root0@msg.id> <child0.1@msg.id>
In-Reply-To: <child0.1@msg.id>
Date: Tue, 21 Jun 2011 11:22 +0000

abc
