website/docs/administration/general-settings/index.mdx
import SignInUrl from './sign-in.png';
Specify the external URL where user visits Tabby(must start with http:// or https://). By default, Tabby uses http://localhost:8080.
Tabby uses the configured External URL as the base address to generate navigation links for key features including member invitations, password reset, code browsing, authentication callbacks, etc. Ensure this URL is accurate and accessible, as incorrect values will break all dynamically generated links and system redirections.
Configure allowed email domains to enable automatic user signups without invitations. This setting governs account creation for: