Received: from smtp.example.com
   (Name_meines_Routers.Mein_ISP.com [1.2.3.4])
   by smtp.Mein_ISP.com (xxxxx xxxx) (RZmta 31.27 DYNA|AUTH)
   with (DHE-RSA-AES256-SHA encrypted) ESMTPA id 906d2cp5H92jgY
   for <Adresse@Externe_Domain.com>;
   Mon, 17 Jun 2013 11:10:34 +0200 (CEST)
  To: Adresse@Externe_Domain.com
  Subject: test
  From: "Dr. Harry Knitter" <ich@example.com>
  Date: Mon, 17 Jun 2013 11:10:31 +0200
  MIME-Version: 1.0
  Content-Type: Text/Plain;
    charset="iso-8859-15"
  Content-Transfer-Encoding: 7bit
  Message-Id: <201306171110.31512.ich@example.com>
  X-Seen: false
  X-ENVELOPE-TO: <Adresse@Externe_Domain.com>
  X-Length: 3387
  X-UID: 21011
  Status: R
  X-Status: N