DEF CON 31 - SpamChannel - Spoofing Emails From 2M+ Domains & Virtually Becoming Satan - byt3bl33d3r - YouTube

https://youtu.be/NwnT15q_PS8?feature=shared

https://twitter.com/home/status/1703819374853845212

https://twitter.com/home/status/1703829631885881483

https://twitter.com/home/status/1703861298792980539