Can RPost tell me 100% of the time if a Registered E-mail message was opened?
No. There is no system in the world (physical or electronic) that can tell if a package or e-mail has been opened 100% of the time, which is why the laws say you just need to prove delivery. The RPost system uses a variety of methods to establish the delivery status of Registered E-mail messages, and the ability to prove whether the message was opened depends on the technical configuration of the recipient environment. RPost can prove a message was opened in many but not all cases.
