Patent ID: 7975144

Claim:
A method of processing security communication protocol compliant signed receipts at a mobile communication device linked to a host system, the host system being operable to send and receive messages, including security communication protocol compliant messages, and to redirect the messages and other data to the mobile communication device, the method comprising: (a) sending from the host system an email message with an associated digital signature; (b) receiving a signed receipt at the host system, the signed receipt confirming that a recipient has received from a sender the email message; (c) the host system redirecting the signed receipt to the mobile communication device; (d) the host system determining whether the email message is available at the mobile communication device, and if the email message is not available at the mobile communication device, the host system retrieving the email message and redirecting the email message to the mobile communication device; and (e) verifying the signed receipt at the mobile communication device based on the email message.