deny message = This is not a public mail server
hosts = ! +allnets
-SECTION(routers, remote)m4_dnl
+SECTION(routers, alias-opts)
+ ## Only expand aliases for our home domain.
+ domains = +thishost
+DIVERT(null)
+
+SECTION(routers, smarthost)m4_dnl
satellite:
driver = manualroute
transport = smtp_local