ActiveSync is a mobile data synchronization app developed by Microsoft, originally released in 1996. It synchronizes data with handheld devices and desktop computers. Some customers I’ve talked to are not comfortable giving their employees access to corporate resources via ActiveSync, but they do it because they have little or no choice. In fact, some customers have told me that their organization hasn’t yet approved ActiveSync. Mail is the #1 most requested mobile app, and most native iOS mail apps meant for corporate environments connect to Microsoft Exchange using ActiveSync. So some organizations are in a bind. They want to provide their mobile users with access to mail, but they are hesitant to use ActiveSync.
An emerging protocol used to connect to Microsoft Exchange is Exchange Web Services (EWS). Exchange Web Services provides the functionality to enable client applications to communicate with the Exchange server. (more…)