OAuth2 plays a crucial part of the process when ShuttleCloud copies the emails from your old provider to your new one. It allows us to request an email migration on your behalf without ShuttleCloud accessing passwords and other sensitive information. The same way Spotify will ask for your Gmail credentials when you set up an account.
In this quick ShuttleClouds Bytes video we explain it a bit more and hopefully after you watch it there’ll be less ‘umming and ahhing’...
Pay attention to Carlos’ clever ‘Gate keeper’ analogy which might give you a better understanding.