Broadband Certified Mail

A judging authority server for certifying that an electronic multimedia message comprising digitized information packets was received in a wide area network, comprising:

• a server processor;
• a network interface for connecting the server processor to the wide area network;
• and
• a memory storing server computer readable instructions that, when executed by the server processor, cause the server processor to execute operations comprising:
• receiving via the network interface from a user of the originating equipment a complaint comprising
• an electronic document generated by a certifying authority and including a user public cryptography key of a user of a destination equipment, and
• a certified message including an encoding of the digitized information packets, the certified message being electronically signed using a user private cryptography key of the user of the destination equipment;
• verifying the electronic document by opening the electronic document using a certifying authority public cryptography key of the certifying authority;
• verifying the certified message by recovering the digitized information packets from the certified message using the user public cryptography key;
• and
• based on the verifying the electronic document and the verifying the certified message, certifying that the electronic multimedia message was received.

A computer-readable storage device having stored thereon computer readable instructions for certifying that an electronic multimedia message was received, wherein execution of the computer readable instructions by a processor causes the processor to perform operations comprising:

• receiving a complaint comprising an electronic document signed by a certifying authority and a certified message containing an encoding of the electronic multimedia message;
• verifying the electronic document by opening the electronic document using a certifying authority public cryptography key of the certifying authority;
• verifying the certified message by recovering the electronic multimedia message using a user public cryptography key of a user of a destination equipment;
• and
• based on the verifying the electronic document and the verifying the certified message, certifying that the electronic multimedia message was received.