. Support for refusing to relay messages from certain hosts or nets
other than to specific domains. Or, looked at the other way, to allow
only certain hosts or nets to relay via your host, other than to
specified domains.
1) What should I look for? Is this sender_reject?
2) What I want is to only allow relay of mail either to my domain from
anywhere, or from my domain to anywhere. Is the feature you refer
to what I want?
