Snow Leopard Server e-mail in house only
I am in the process of configuring the built-in e-mail server that comes with Snow Leopard Server edition for a small middle school.
This server is going primarily for student use, and I'd like to lock it down so that e-mails can only be sent between users at our domains.
I think Snow Leopard server uses postfix for SMTP. The GUI tool that comes with server admin does not seem to have to option to restrict the domains that users can send e-mails to, is there a configuration file somewhere that I can modify to accomplish what I want?
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