+SMTP<< helo test
+test in helo_lookup_domains?
+ list element: @
+ list element: @[]
+test in helo_lookup_domains? no (end of list)
+sender_fullhost = (test) [1.2.3.4]
+sender_rcvhost = [1.2.3.4] (helo=test)
+set_process_info: pppp handling incoming connection from (test) [1.2.3.4]
+SMTP>> 250 myhost.test.ex Hello test [1.2.3.4]