Notes — Anti Spam Lotus

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

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) anti spam lotus notes

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

Users can add/remove senders from the Junk list in their mail file. 3. Best Practices & Tips anti spam lotus notes

Configure DNS Blacklists (DNSBL) to drop connections from known spam hosts before they enter the network.

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.