Understanding SMTP authentication and securing your Domino 8 server from spam

LDD Article about SPAM Prevention SMTP Authentication

  •  Introduction
  • Overview of the SMTP process and of SMTP authentication
  • Determing whether Lotus Domino is open relay or closed relay
  • Making Lotus Domino a closed-relay serverEnabling SMTP authentication on the Domino server
  • SMTP authentication between Lotus Domino and Outlook clients
  • Avoiding address spoofing when relaying mail from authenticated users
  • Inbound anti-relay settings and message transfer to external Internet domains