I believe Apple's Mail.app doesn't without some third-party tooling. Suggestive: https://apple.stackexchange.com/questions/229472/macmail-forgotten-attachents-r

I believe Apple's Mail.app doesn't without some third-party tooling. Suggestive: https://apple.stackexchange.com/questions/229472/macmail-forgotten-attachents-reminder https://apple.stackexchange.com/questions/229472/macmail-for... (five years old)