>>> host in helo_verify_hosts? no (option unset)
>>> host in helo_try_verify_hosts? no (option unset)
>>> host in helo_accept_junk_hosts? no (option unset)
->>> host in pipelining_connect_advertise_hosts?
->>> list element:
>>> tester in helo_lookup_domains?
>>> list element: @
>>> list element: @[]