SpamChannel - Spoof emails from any domain using MailChannels
As of writing, this allows you to spoof emails from any of the +2 Million domains using MailChannels. It also gives you a slightly higher chance of landing a spoofed emails from any domain that doesn’t have an SPF & DMARC due to ARC adoption.
It was released at the Defcon 31 talk SpamChannel: Spoofing Emails From 2 Million+ Domains and Virtually Becoming Satan.