Split horizon for the complete .email zone is not feasible for all
sites, and TLS certificate currently does not cover any of the internal
hostnames.
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
This is more a MTA configuration for system email on all hosts instead of
a dedicated email server role.
Signed-off-by: Georg Pfuetzenreuter <mail@georg-pfuetzenreuter.net>
