Restrict account creation

This feature is only available to organization owners and administrators.

Each Zulip account is associated with an email address. If your organization allows multiple authentication methods, it doesn't matter which one is used to create an account. All authentication methods will work for all users in your organization, provided that they are associated with the account email. To log in with email, users are required to verify their email account by clicking on a validation link.

Zulip provides a number of configuration options to control who can create a new account and how users access their accounts:

Regardless of whether invitations are required, you can:

Set whether invitations are required to join

  1. Go to Organization permissions.

  2. Under Joining the organization, toggle Invitations are required for joining this organization.

  3. Click Save changes.

Change who can send invitations

This feature is only available to organization owners.

You can restrict the ability to invite new users to join your Zulip organization to specific roles. To protect your organization, while permission to send out individual email invitations is configurable, creating reusable invitation links is always limited to administrators.

  1. Go to Organization permissions.

  2. Under Joining the organization, configure Who can invite users to this organization.

  3. Click Save changes.

Configuring email domain restrictions

Restrict sign-ups to a list of domains

  1. Go to Organization permissions.

  2. Set Restrict email domains of new users? to Restrict to a list of domains.

  3. Click Configure to add any number of domains. For each domain, you can toggle Allow subdomains.

  4. When you are done adding domains, click Close.

  5. Click Save changes.

Don't allow disposable domains

  1. Go to Organization permissions.

  2. Set Restrict email domains of new users? to Don't allow disposable emails.

  3. Click Save changes.

Allow all email domains

  1. Go to Organization permissions.

  2. Set Restrict email domains of new users? to No restrictions.

  3. Click Save changes.