The server Configuration Settings document is the Domino administrator’s best line of defense against the twin Internet scourges of illegitimate mail relayers and spammers. In this article, you’ll learn how to use this powerful tool to deny connections to bulk mailers who attempt to relay their mail through your Domino servers and to block messages from spammers. The author takes you all the way through the server Configuration Settings document, tab by tab, differentiating the crucial fields from the less important ones and explaining what settings to use. You also get guidance on “what to set where” for different configuration scenarios and help with troubleshooting and solving some common configuration errors.