Anti Spam Lotus Notes Page

Enable SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) on Domino 12+ servers to identify and move untrusted mail to users' Junk folders.

If phishing emails pass through, they should be reported to the IT department for blocking at the server level, rather than just using personal junk folders. anti spam lotus notes

Suggest recommended by the community Let me know which area you'd like to explore further. How do I control spam and other junk mail? Enable SPF (Sender Policy Framework) and DKIM (DomainKeys

Notes/Domino has a "MailMaxFilters" setting. More than 100 rules can significantly slow down the router. How do I control spam and other junk mail

Anti-spam strategies for Lotus Notes (now HCL Notes/Domino) in 2026 involve a combination of built-in server-level controls and user-level client tools to manage junk email and phishing attacks. Modern approaches focus on using SMTP-inbound edge servers, SPF/DKIM validation, and third-party tools to handle sophisticated spam, as native filtering alone is generally considered insufficient for modern threats. 1. Server-Level Anti-Spam Measures (Domino Administration)

Users can create instant rules based on the sender, domain, or subject line to move future messages automatically to the Junk folder.

For more information, you can find detailed documentation on HCL Product Documentation and HCL Notes and Domino Wiki . If you'd like, I can: