The e-mail address registered in the system cannot be updated by the user.

In case you have to change it, you can create a support request and have your e-mail address updated.

Your e-mail address is used to verify during registration.

You will need to use your e-mail address for dual verification, when you activate the dual verification, you must send a token to your e-mail address and enter the relevant token at the login stage.

It sends the notifications that occur on the system to you by e-mail.