Microsoft has just added ActiveSync supports for more mobile phones including the iPhone.
Supported device as of August 30th, 2010:
- Windows Mobile 6.x
- Windows Phone 7
- iPhone, iPod Touch, iPad (iOS 3 and iOS 4)
- Nokia E-series, S-series, N-series running Mail for Exchange application
If you have @hotmail.com and/or @live.com email, you can now access them on your iPhone, iPad and iPod touch Mail App.