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How do I restrict registration by email domain?

Organizers can prevent unsolicited attendees from registering to their webinars by restricting access using domain(s).

When you restrict registration access by domain(s), only those with an email on an approved domain will be able to complete their registration and receive a Join link. If attendees on an unapproved domain try to register, they will see a "You do not have access to this event" message.
  1. Sign in to your account at
  2. Either schedule a new webinar or click an existing one.
  3. Open the Registration field and click + Add email domain(s) under "Registration Access Protection".
  4. Enter the domains you approve (e.g., or
    Note: You can add up to 10 domains per webinar.
  5. Click Save.Add Email Domains to Restrict