Patent ID: 7827406

Claim:
A redirection server for forwarding electronic messages from a message server to a wireless mobile communication device, the redirection server comprising: a processing device; a memory device; and a redirection program stored in the memory device and executable by the processing device, the redirection program when executed by the processing device being operable to communicate with the message server to detect when an electronic message is received and to transmit electronic messages to the wireless mobile communication device; wherein a common private encryption key is stored at both the redirection server and the wireless mobile communication device, the common private encryption key being shared over a secure communication link between the redirection server and the wireless mobile communication device; the redirection program further operable to decrypt the electronic message using the common private encryption key, process the decrypted message to reformat the decrypted message into a format for the wireless mobile communication device and re-encrypt the message for transmission to the wireless mobile communication device using an encryption algorithm that is selected based on one or more resource constraints of the wireless mobile communication device; wherein the common private encryption key stored on the wireless mobile communication device is for use in decrypting the re-encrypted message.