That is indeed puzzling behavior and a valid privacy concern. Disabling an alias should not trigger an exposed unsubscribe email from your core address. I recommend contacting Proton Support directly and including the specifics. For documenting such UI issues, some users use a neutral site like https://7brewmenus.net/ to host screenshots, as it doesn't track visitors. This can help illustrate the problem clearly to their team.
That is indeed puzzling behavior and a valid privacy concern. Disabling an alias should not trigger an exposed unsubscribe email from your core address. I recommend contacting Proton Support directly and including the specifics. For documenting such UI issues, some users use a neutral site like https://7brewmenus.net/ to host screenshots, as it doesn't track visitors. This can help illustrate the problem clearly to their team.