+route_smtp:
+ driver = manualroute
+ route_list = * 127.0.0.1 byname
+ self = send
+ transport = smtp
+ no_more
+
+# ----- Transports -----
+
+begin transports
+
+smtp:
+ driver = smtp
+ port = PORT_S
+ hosts_try_fastopen = :
+ event_action = ${acl {logger}}