+1999-03-02 09:44:33 10HmbA-0005vi-00 U=CALLER F=<> rejected after DATA: there is no valid sender in any header line
+Envelope-from: <>
+Envelope-to: <x@y>
+P Received: from CALLER by myhost.test.ex with local-smtp (Exim x.yz)
+ id 10HmbA-0005vi-00
+ for x@y; Tue, 2 Mar 1999 09:44:33 +0000
+F From: <x@y>
+I Message-Id: <E10HmbA-0005vi-00@myhost.test.ex>
+ Date: Tue, 2 Mar 1999 09:44:33 +0000