spec checked

NIST SP 800-63B email confirmation code distinction

Distinguishes email confirmation codes used to validate email addresses from authentication processes, while cautioning that email is not an out-of-band authenticator for authentication.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Confirm email Choose confirm email when the service must prove that the user can access the mailbox for account activation, recovery, sensitive notifications, invitation acceptance, or a verified contact route. The confirmation page states which email address is pending and why access to that mailbox is required. NIST distinguishes confirmation codes sent to validate email addresses from authentication processes.

Evidence Role

This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: National Institute of Standards and Technology. Last checked: .