Don't assume email will be provided when authenticating a federated user
Don't assume email will be provided when authenticating a federated user

In the case of attributevalidator, the organisation might not be providing
the mail attribute correctly, and they'll want to see that error.

University-of-Auckland/applicationbase,University-of-Auckland/applicationbase,University-of-Auckland/applicationbase,ausaccessfed/applicationbase,ausaccessfed/applicationbase,ausaccessfed/applicationbase