+>>> anotherhost.example.com in "+local_domains"?
+>>> list element: +local_domains
+>>> start sublist local_domains
+>>> anotherhost.example.com in "test.ex : myhost.ex"?
+>>> ╎list element: test.ex
+>>> ╎list element: myhost.ex
+>>> anotherhost.example.com in "test.ex : myhost.ex"? no (end of list)
+>>> end sublist local_domains