+1999-03-02 09:44:33 10HmbC-000000005vi-0000 U=CALLER F=<> rejected after DATA: there is no valid sender in any header line
+Envelope-from: <>
+Envelope-to: <userx@test.ex>
+P Received: from CALLER (helo=test)
+ by myhost.test.ex with local-smtp (Exim x.yz)
+ id 10HmbC-000000005vi-0000
+ for userx@test.ex;
+ Tue, 2 Mar 1999 09:44:33 +0000
+T to: group name: x@y, p@q;
+R reply-to: group name:;
+I Message-Id: <E10HmbC-000000005vi-0000@myhost.test.ex>
+ Date: Tue, 2 Mar 1999 09:44:33 +0000
+ X-warning: this is a test warning