FTP has been working perfectly for the last 40 years, why do we need SFTP? Just because something WORKS doesn't mean it works WELL. Making an Asynchronous ema

FTP has been working perfectly for the last 40 years, why do we need SFTP? Just because something WORKS doesn't mean it works WELL. Making an Asynchronous email protocol would not be difficult. We can do it. Everyone talking about re-inventing email is talking about making a protocol, not centralizing it, not de-synchronizing it. Email is an AWFUL AWFUL mess. It was good for its era but its no longer as good. Any good replacement will use things like MIME and other such things and simply be a better replacement to the protocol. It'll be the same thing but better. Which has happened many times before, considering how many versions of POP and IMAP there are. Or the fact that IMAP even exists. Somebody said that email was bad and it needed this and they made it, now we all use it. Clearly, there is room for improvement.