This is the default auth-login dialog from www/auth-login.yaml,
rendered with sample values (the notice, the pre-filled address, and the
email field that appears on multi-user sites). See Features →
Vhost Authentication for how the auth gate and _auth.yaml work.
This site is private. Signing in emails a one-time code to an approved address.
A login code was sent to d**o@example.com. Enter it below.