From test at example.com  Fri Apr  6 22:43:55 2007
From: test at example.com (Dummy Person)
Date: Fri,  6 Apr 2007 15:43:55 -0700 (PDT)
Subject: Dummy subject
In-Reply-To: <200704070053.46646.other.person@example
Message-ID: <20070406224355.899B9180064@test.example.com>

> Other person's message

Dummy person's reply