zulip/templates/zerver/help/manage-who-can-join-and-invite.md

Manage who can join and invite

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By default, users need an invitation to join. You can additionally allow only administrators to send invitations.

Alternatively, you can allow anyone to join without an invitation. In this case, you can also restrict new users to a list of email domains (e.g. corp.example.com, or *.example.com) or disallow disposable email addresses.

{settings_tab|organization-permissions}

1. Under Joining the organization, configure Are invitations required for joining the organization and Restrict email domains of new users.

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