With SMTP server configured in VMware Identity Manger, users receives unwanted emails.
No UI feature to disable the SMTP plugin in the VMware Identity Manager.
No UI feature to configure which users from the Active Directory receives the emails in the VMware Identity Manager.
Environment
VMware Identity Manager 3.3.7
Resolution
Only the users assigned to the roles (Directory Admin, ReadOnly Admin, Super Admin) in vIDM UI > Administration Console > Roles page get emails from vIDM.