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Recipient filtering on IBM Domino and Lotus Domino
Checking domain recipients in the Domino directory
This procedure enables recipient filtering to be activated on IBM Domino Lotus mail servers for versions greater than or equal to 6, and IBM Domino 9. The principle is to enable Domino to check the existence of domain recipients directly in the directory during the SMTP transaction. All you need to do is activate the associated option and restart the SMTP service. Here’s a step-by-step guide.
Select the server configuration document :
Select “SMTP inbound control” in the “Restrictions and controls” tab of “Router/SMTP”. On the English version it’s called: Router/SMTP / Restrictions and controls / SMTP Inbound Controls.
In the “Check incoming recipients” section at the bottom of the page, activate the option: “Check that local domain recipients exist in the Domino directory”. In the English version, activate the “Verify that local domain recipients exist in the Domino Directory” option.