Request email address from OpenID provider
问题 I'm implementing OpenID and I would like to retrieve the user's email address and other information about the user, I'm doing this: var fetch = new FetchRequest(); fetch.AddAttribute(new AttributeRequest(WellKnownAttributes.Contact.Email)); request.AddExtension(fetch); But the provider doesn't return anything. I'm using DotNetOpenID What am I doing wrong? thanks! EDIT: When I try to signup at http://www.plaxo.com/ using MyOpenID or Google, they both say plaxo is requesting additional