Anti Spam Lotus Notes Apr 2026

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.

Notes/Domino has a "MailMaxFilters" setting. More than 100 rules can significantly slow down the router. anti spam lotus notes

Regularly audit and remove old spam rules to keep the mail file optimized.

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

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

Administrators can create server-side mail rules to block malicious domains or keywords within the body or header of messages. More than 100 rules can significantly slow down the router

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