1 From: Alice <alice@example.org>
2 To: Daniel <daniel@example.org>
3 Subject: great grand-child message
4 Message-ID: <001-great-grand-child@example.org>
5 In-Reply-To: <001-grand-child@example.org>
6 References: <000-real-root@example.org> <001-grand-child@example.org>
7 Date: Fri, 17 Jun 2016 22:44:41 -0400