In macOS Mail and iOS Mail, when you reply to an email or send a new one, you can choose the "From" address: The options are the usual accounts you have set up, plus, now, a "Hide my Email" proxy generated on-the-fly. I've found it very handy on several occasions.
In macOS Mail and iOS Mail, when you reply to an email or send a new one, you can choose the "From" address: The options are the usual accounts you have set up, plus, now, a "Hide my Email" proxy generated on-the-fly. I've found it very handy on several occasions.