Emmanuel Fust?: > The "proper" Microsoft way is to use their proprietary XOORG SMTP > extension used in their hybrid cloud scenario.
- Is there a protocol definition for this, or is there only implementation by trial and error? - How is the XOORG information verified against other information (certificate, header) that is passed in a mail transaction? It would be unsafe to accept XOORG from anyone without further verification. Wietse