This can only be done if the user has provided the details as supplementary information (unless the application has marked them mandatory).
In the case of a user forgetting their email address and having provided no backups, it will be down to the application administrator to use their own judgement as to whether an account should be reset for the user.
This can only be done if the user has provided the details as supplementary information (unless the application has marked them mandatory).
In the case of a user forgetting their email address and having provided no backups, it will be down to the application administrator to use their own judgement as to whether an account should be reset for the user.