ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,601, issued on Sept. 9, was assigned to Google LLC (Mountain View, Calif.).
"Protecting against DKIM replay" was invented by Wei-haw Chuang (Menlo Park, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for securing messages includes obtaining, at a first message server, a message for a user of a message service hosted by the first message server, the message including a header including a digital signature signed by an author of the message and a list of one or more recipients of the message. The method includes determining that a Domain Name System (DNS) TXT record associated with the message includes a delegation policy indicating t...