HCL Domino Ideas Portal
Welcome to the #dominoforever Product Ideas Forum! The place where you can submit product ideas and enhancement request. We encourage you to participate by voting on, commenting on, and creating new ideas. All new ideas will be evaluated by HCL Product Management & Engineering teams, and the next steps will be communicated. While not all submitted ideas will be executed upon, community feedback will play a key role in influencing which ideas are and when they will be implemented.
For more information and upcoming events around #dominoforever, please visit our Destination Domino Page
You should be able to do this today. Are you finding Protector can't be used?
To be fair this is would also depend on spam filter used in said infrastructure. IBM would need to reach out to various Spam Filter vendor and persuade them to built integration point between their product and Domino.