Labels:text | screenshot | diagram | font OCR: GATEWAY ARCHITECTURES Gateway SMTP Microsoft MHS Mail Microsoft MHS X.400 X Mail cc:Mailed SMTP INC X gateway cc:Mail needed X.400 MC Ix MCI Mai SMTP Mail 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.
