The ability to stop spam on an R5 server is limited to the settings in the configuration settings document in the Domino Directory, which basically allows you to prevent mail from a certain IP or domain. ND6 includes server rules and the ability to use a blacklist, which is much better at restricting spam.
Related Q&A from Debbie Lynd
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.