- You can use the following hook to Allow Signups only for Users with specific Email Domains:
https://auth0.com/docs/hooks/extensibility-points/pre-user-registration#allow-signups-for-users-with-whitelisted-email-domains
You might also want to disable the verification mail in case of no verification required:
https://auth0.com/docs/email/custom#verification-email
- The quickstart below could serve as a guide with a sample project that you can download, to help you with your node.js application: https://auth0.com/docs/quickstart/webapp/nodejs/01-login
- By creating invite-only applications as given in the document below, you can disable the self sign-up option for the users:
https://auth0.com/docs/tutorials/creating-invite-only-applications