From sample@forged.com  Tue Oct 27 18:38:52 1998
Received: from mail.forwarder-example.com by mail.example.com (8.9.1/8.6.12) with SMTP id 12345678 for <sample@example.com>; Tue, 27 Oct 1998 18:38:51 -0500 (EST)
Received: from barfel by mail.forwarder-example.com (8.9.1/8.6.12) with SMTP id 12345678 for <foo@forwarder-example.com>; Tue, 27 Oct 1998 18:38:51 -0500 (EST)
From: forged@example.com
Date: Tue, 27 Oct 1998 09:52:14 +0100 (CET)
Message-Id: <199810270852.12345567@example.com>
X-Envelope-To: <sample@example.com>
To: <sample@example.com>
Subject: Sorry...
X-Loop-Detect: 1
X-Spamblock: caught by rule dummy@

BODY: This message contains a received line by a valid forwarder, so this takes
top priority.

SHOULD-BE: 'foo@forwarder-example.com', 'forwarder-example.com'