Supports Exchange, Push E-Mail true, by the levels of security features and configuration - they are all in the shop of the iPhone from Apple, as its attempts to position of the touch screen portable as a real competitor to BlackBerry devices, Palm Treo and Windows Mobile.
VP Phil Schiller Apple said that the new features that allow business users to immediately Exchange synchronizes e-mails, contacts and appointments in the next software updates iPhone. (No word yet if the update.) (Update: Looks like it is not by June.)

In particular, the iPhone getting support for Microsoft Active Sync protocol to the taps and synchronizes with Corporate Exchange Server by clicking on the iPhone info E-mails, calendar and contacts. In the past, large enterprises and companies of e-mails with networks of the iPhone will be avoided because of the compatibility, but now that it is not longer a problem.