I remember a story of a X400/X500 based email system taking two hours to deliver mail within a single machine -- around 1990 or perhaps a little earlier. By co

I remember a story of a X400/X500 based email system taking two hours to deliver mail within a single machine -- around 1990 or perhaps a little earlier. By comparison for one of my first emails I got a reply within 5 minutes from France. I'm in Australia.