For any new user created in the system: trainer, student generic user, an email should be sent to the given email.
If there is no email address for the user, the user won't be able to login to the system as they won't receive the email.
An example for this would be students that don't even have an email.
For any new user created in the system: trainer, student generic user, an email should be sent to the given email.
If there is no email address for the user, the user won't be able to login to the system as they won't receive the email. An example for this would be students that don't even have an email.