This is a feature not a bug[0]. You can also add a plus sign with your own string after the username, useful for giving to websites you don't fully trust. e.g

This is a feature not a bug[0]. You can also add a plus sign with your own string after the username, useful for giving to websites you don't fully trust. e.g. user.name+facebook@gmail.com Gmail will still send it to user.name@ and you can track and filter the messages sent to that address. [0] https://support.google.com/mail/answer/7436150 https://support.google.com/mail/answer/7436150