Recently we've got an interesting bug report in Rietveld that email messages sent from GAE applications are impossible to link into threads. I wonder if restriction on In-Reply-To and References headers in emails can be lifted as required by RFC5322?
http://code.google.com/p/googleappengine/issues/detail?id=2802 -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
