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Method for the certification of electronic mail delivery

  • US 9,432,328 B2
  • Filed: 04/02/2012
  • Issued: 08/30/2016
  • Est. Priority Date: 02/21/2012
  • Status: Active Grant
First Claim
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1. A method for certification of electronic mail delivery comprising steps of:

  • receiving, in a mail server, a first electronic message sent from a transmitting user to a recipient, wherein the transmitting user is a client of a telecommunications operator;

    delivering the first electronic message to the recipient via a first route comprising the mail server;

    creating a copy of the first electronic message;

    delivering the copy of the first electronic message together with a particular indication to the recipient via a second route comprising at least one mail server of the telecommunications operator;

    receiving, in a data processing unit of the telecommunications operator, notification data relative to the delivery to the recipient of the copy of the first electronic message;

    creating, in the data processing unit of the telecommunications operator, an electronic document comprising data of the transmitting user, date of issuance, contents of attached data, and the notification data;

    applying, at the data processing unit of the telecommunications operator, a first digital signature algorithm to the electronic document to create an electronic certificate;

    sending the electronic certificate to a third party to carry out a second digital signature; and

    delivering the electronic certificate to the transmitting user through the mail server.

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