When a host is running MMDF and is connected to
a non-MMDF computer via Micnet,
mail users on the MMDF machine are unable to reply
to mail originated on the non-MMDF machine.
To allow mail replies between an MMDF and non-MMDF systems via Micnet, a global alias file must be maintained on each machine. Use netutil(ADM) to create a global alias file on the non-MMDF machine and to distribute the file to MMDF machines. On the MMDF machines, use mmdfalias(ADM) to convert the global alias file to MMDF style: