Domain Reservation restricts user access within your organization to approved email domains, ensuring only trusted users can be added as internal members.When your organization is created, the email domain used during signup becomes the reserved domain for your tenant. This domain defines who can be added as internal users and helps prevent unauthorized access from external parties.
If you sign up using @mycompany.com for your email address, this domain will be reserved to your tenant.
Domain Reservation enforces strict rules around who can be added to your organization. Only users with email addresses matching your reserved domain can be added as:
