Thanks for the extensive answer, indeed if the receiver need to react than this is discoverable. I was more thinking along the lines of discharging rekeyed mes

Thanks for the extensive answer, indeed if the receiver need to react than this is discoverable. I was more thinking along the lines of discharging rekeyed messages and not showing the message at all to security conscious receivers. Whether this is behavior is good, I can not say, UX tests could give more insights.