Not: a header line
From CALLER@myhost.test.ex Tue Mar 02 09:44:33 1999
-Received: from CALLER by myhost.test.ex with local-smtp (Exim x.yz)
+Received: from CALLER (helo=test)
+ by myhost.test.ex with local-smtp (Exim x.yz)
(envelope-from <CALLER@myhost.test.ex>)
id 10HmbF-0005vi-00
for userx@test.ex;
terminate the message
From CALLER@myhost.test.ex Tue Mar 02 09:44:33 1999
-Received: from CALLER by myhost.test.ex with local-smtp (Exim x.yz)
+Received: from CALLER (helo=test)
+ by myhost.test.ex with local-smtp (Exim x.yz)
(envelope-from <CALLER@myhost.test.ex>)
id 10HmbG-0005vi-00
for userx@test.ex;