I need to restrict who can send internet mail from our internal SMTP server to the Internet. We have several POP accounts that need to send mail thru this server to the Internet. I'd like to restrict the rest of the users. I don't want users to use this server as a relay host to send mail to the Internet. I also don't want to risk having users send under a bogus name. Is there an easy way to accomplish this task?
Assuming that you are using Domino R5 as the SMTP server, go to the Domino public address book, then to the Server / Configurations view. Open the configuration document for this server, then select the tabs Router & SMTP / Restrictions and Controls / SMTP Outbound Controls. You will see the settings that you want; they are pretty self-explanatory.
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