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System and method for secure communications

  • US 8,595,495 B2
  • Filed: 04/12/2005
  • Issued: 11/26/2013
  • Est. Priority Date: 01/12/2003
  • Status: Active Grant
First Claim
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1. A method for secure delivery or receipt of electronic messages, comprising:

  • a) registering a user as a subscribing user;

    b) maintaining a web server for preventing receipt of electronic messages associated with malicious software, said server configured to;

    receive electronic messages sent to subscribing users;

    to authenticate the IP address of a sender of said electronic messages; and

    to refuse to relay said electronic messages to a receiving subscribing user until said authentication is complete;

    wherein said authentication is performed by said web server sending an automated message to said IP address, and said server receiving an acknowledgement message stating that said IP address exists;

    wherein, upon delivery of said electronic messages, said web server is configured to send to said sender a confirmation that said electronic messages have been relayed to said receiving subscribing user, said confirmation comprising;

    a serial number of said electronic messages with a time and a date stamp, or a digital key based on a unique signature of said web server; and

    wherein each relay server or router participating in delivery of said electronic messages is configured to add a unique signature with an encrypted time and date stamp to packets comprising said electronic messages, and said each relay server or router is configured to prevent relay of packets having an incorrect signature.

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