us-20-Chen-You-Have-No-Idea-Who-Sent-That-Email-18-Attacks-On-Email-Sender-Authentication.pdf

https://i.blackhat.com/USA-20/Thursday/us-20-Chen-You-Have-No-Idea-Who-Sent-That-Email-18-Attacks-On-Email-Sender-Authentication.pdf

https://twitter.com/home/status/1823357503721332844

https://twitter.com/home/status/1823358629157683599

https://twitter.com/home/status/1823371966008492537