RS>> But that's kind of irrelevant as the field does not *have* to be a RS>> valid return address for the originating networking; it can be RS>> whatever that developer decides will make the message-ID the most RS>> useful. In my opinion, uniqueness is the most important and useful RS>> attribute of a message-ID, so anything that improves its uniqueness RS>> is a virtue.
CN> +1
CN> If SBBS-style MSGIDs are harmless as it seems and other developers decide CN> to use them too, it could become a standard.
