+From CALLER@bloggs.com Tue Mar 02 09:44:33 1999
+Authentication-Results: test.ex;
+ iprev=pass (localhost) smtp.remote-ip=127.0.0.1;
+ arc=none
+Received: from localhost ([127.0.0.1] helo=test.ex)
+ by test.ex with esmtp (Exim x.yz)
+ (envelope-from <CALLER@bloggs.com>)
+ id 10HmbS-0005vi-00
+ for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
+Authentication-Results: test.ex;
+ arc=none
+Received: from [127.0.0.1] (helo=xxx)
+ by test.ex with smtp (Exim x.yz)
+ (envelope-from <CALLER@bloggs.com>)
+ id 10HmbR-0005vi-00
+ for za@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
+Subject: Test
+
+This is a test body.
+