More and more services allow the user email to be used for login-in. It could be very interesting to have this in order to align XWiki with other web services.
It would imply at least to :
- Have the email unique
- Update the "password lost" page
- Update the subscription forms and process
Since all companies may not want this feature, having it as an option could be to think of but it would imply :
- Having a process to switch from one mode to the other