Finally, "exim" can be preceded by "sudo", to run Exim as root. If more than
one of these prefixes is present, they must be in the above order.
+If the options include "-DSERVER" but not "-DNOTDAEMON", the script waits for
+Exim to start but then continues without waiting for it to terminate. Typically
+this will be for a daemon-mode "-bd" operation. The daemon should be later
+terminated using "killdaemon".
+
exim_exim [<options>] [<arguments>]