No worries - worked it out. Forgot to generate new reCaptcha keys for the application in the appspot.com domain.
The reason it worked in development is that recaptcha accepts requests from the localhost (127.0.0.0) for development and debugging -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
