As described here, the verifier protocol is expanding to allow "unverified" email addresses, so that users can have access to some functionality before they have clicked through the verification email link:
JR has a patch for django-browserid showing what this looks like from an API standpoint:
Assuming the details don't change, we should expand our verifier API to support this as well.
Although comments on that django-browserid bug indicate that maybe this is an internal-only feature for marketplace...?
Anyway, marking it here so we don't forget to follow up on it one way or the other.
Pretty sure this remains an internal-only feature, closing it out