Double opt-in.TM. method and system for verifying subscriptions to information distribution services

  • US 6,167,435 A
  • Filed: 10/30/1998
  • Issued: 12/26/2000
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
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First Claim
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1. A method for generating subscription address lists comprising the steps of:

  • receiving a subscription request containing a particular subscriber address;

    generating a token associated with the particular subscriber address;

    sending a verification message containing the token to the particular subscriber address;

    receiving a confirmation message;

    parsing the confirmation message to extract a received token and a received subscriber address;

    verifying that the received token is associated with the received subscriber address; and

    adding the received subscriber address to a subscription address list in response to a successful verification of the confirmation message.

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