Patents by Inventor Yu-Shan Hsieh

Yu-Shan Hsieh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for identifying spam mail and mail server using the same
    Patent number: 9680780
    Abstract: A method for identifying a spam mail and a mail server using the method are provided. The method includes: when receiving a mail, retrieving a mail header of the mail; obtaining reference servers from a received line of the mail header; obtaining mail forwarding information of a mail forwarding host of each of the reference servers, and obtaining mail receiving information of a mail receiving host of each of the reference servers; comparing the mail forwarding information of an i-th reference server with the mail receiving information of an (i?1)-th reference server; and when the mail forwarding information of the i-th reference server is completely different from the mail receiving information of the (i?1)-th reference server, identifying the mail as the spam mail.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: June 13, 2017
    Assignee: Wistron Corporation
    Inventor: Yu-Shan Hsieh
  • METHOD FOR IDENTIFYING SPAM MAIL AND MAIL SERVER USING THE SAME
    Publication number: 20160142353
    Abstract: A method for identifying a spam mail and a mail server using the method are provided. The method includes: when receiving a mail, retrieving a mail header of the mail; obtaining reference servers from a received line of the mail header; obtaining mail forwarding information of a mail forwarding host of each of the reference servers, and obtaining mail receiving information of a mail receiving host of each of the reference servers; comparing the mail forwarding information of an i-th reference server with the mail receiving information of an (i?1)-th reference server; and when the mail forwarding information of the i-th reference server is completely different from the mail receiving information of the (i?1)-th reference server, identifying the mail as the spam mail.
    Type: Application
    Filed: March 20, 2015
    Publication date: May 19, 2016
    Inventor: Yu-Shan Hsieh