Return-Path: <user@example.com> Received: from mail.example ([1.1.1.1])  by mail.example with LMTP  id 123  (envelope-from )  for <a@b>; Sun, 13 Oct 2019 13:53:24 +0000 From: "User, Test" <user@example.com> To: "User2, Test" <user2@example.com> Subject: Date: Sun, 13 Oct 2019 13:53:08 +0000 Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: yes MIME-Version: 1.0 Test