From: alice@foo.com
To: list@example.com
Subject: test
Date: Mon, 16 Oct 2017 09:18:32 +0100
Message-ID: <bddaa334ef93b5f3c7c3a42599330844@foo.com>
Precedence: list
List-Id: Example List <list@example.com>
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset="us-ascii"
Sender: list-bounces@example.com

Hello world!