Labels:text | screenshot | diagram | font OCR: GATEWAY ARCHITECTURES. Gateway SMTP MHS Microsoft Mail Microsoft MHS X:400 Mail cc:Maile SMTP gateway cc:Mail needed Mat MO SMTP Clients Point-to-point gateways Messaging backbone Figure 2: With a haphazard collection of point-to-point gateways, messages may have to traverse many gateways. A messaging backbone ensures that no message has to traverse more than two gateways.
