RIM BLACKBERRY: How Push Mail Works?

Research in Motion's (RIM) "Push Mail" for its Blackberry phones keeps its customers constantly in sync with their mailboxes. The Blackberry Enterprise Server (BES) encrypts incoming mail and pushes it on to the handheld device through the mobile telephony network. Therefore, the customer does not need to "poll" the server for any new mail by checking the server periodically.

The encryption is very powerful enough to ensure the mail cannot be read by other parties. The company already provides access to voice calls, SMS and internet access. How Blackberry Push Mail Works can be understood from below points.

If anyone sends email to your mail address, it arrives to your desktop PC.

Blackberry Enterprise Server Compresses, encrypts and forwards the message to handheld device via the internet and wireless network.

Your handheld device receives decrypts and decompresses the email. You can respond to email using the keyboard on the Blackberry handheld.