Email verification

Make the verification email feel like OsoSpecial.

Firebase sends host verification emails. You can edit the subject, sender name, and message in Firebase, then send users to OsoSpecial’s custom verification result page.

Firebase settings

Template locationFirebase Console → Authentication → Templates → Email address verification

Custom action URLhttps://YOUR-DOMAIN.com/pages/auth-action.html

Authorized domainFirebase Console → Authentication → Settings → Authorized domains

Firebase controls the actual verification email delivery. OsoSpecial controls the branded page after the user clicks the link.