There are currently 2 budgies in this directory beginning with the letter E.
With email-based authentication, the user receives a verification code to their registered email address and must enter it to confirm their identity.
E-mail opt-in refers to the automatic e-mail verification after registration. This e-mail verification is used to ensure the identity of a user. After a successful registration, the user will receive an e-mail with further instructions to confirm his account. This e-mail may contain, for example, a unique link that takes the user to a preconfigured landing page of the provider after confirmation.