Interesting ... that is superior to my own method, which is to simply add the From: address to my blacklist file: :0 * ? formail -x"From" -x"From:" -x"Send

Interesting ... that is superior to my own method, which is to simply add the From: address to my blacklist file: :0 * ? formail -x"From" -x"From:" -x"Sender:" \ -x"Reply-To:" -x"Return-Path:" -x"To:" \ | egrep -is -f /usr/home/john/.blacklist.txt blacklist