They had to give a step-by-step on how to reply to the email; these folks are almost certainly unhirable in the 21st century 🤣

"Employees who wish to resign were told: "1) Select "Reply" to this email. You must reply from your government account. A reply from an account other than your .gov or .mil account will not be accepted. 2)Type the word "Resign" into the body of this reply email. Hit "Send.""