You could setup a splash page for "self-registration and mark the accounts as auto-approved.  That will let you collect email addresses. https://documentation.meraki.com/General_Administration/Cross-Platform_Content/Self-registration_for_Splash_User_Accounts    If you are doing this for guest access, and are happy for someone to approve the requests, you could also consider using sponsored guest mode. https://documentation.meraki.com/MR/Encryption_and_Authentication/Sponsored_Guest    Splash Access is another excellent [paid] option (and more reasonably priced ...). https://www.splashaccess.com/  ... View more