ALEXANDRIA, Va., June 18 -- United States Patent no. 12,328,321, issued on June 10, was assigned to Proofpoint Inc. (Sunnyvale, Calif.).

"Processing external messages using a secure email relay" was invented by Ashley Harlow Valeski (Denver).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of the disclosure relate to processing external messages using a secure email relay. A computing platform may receive, from a message source server associated with a first domain, a first email message and a first set of authentication credentials. Based on validating the first set of authentication credentials, the computing platform may inject, into the first email message, a DomainKeys Identified Mail (DKIM) signat...