It looks like Apple might be employing Sun's Java Messaging Server (Grid?) for the behind the scenes heavy lifting that enables the new MobileMe functionality. Performing a telnet to "smtp-mx1.mac ...

Toward that end, Redmond recently announced preview support for Java Message Service (JMS) 2.0 over AMQP in Azure Service Bus premium tier. The Advanced Message Queuing Protocol (AMQP) is an open ...