Yes. Put the hash of the old password in the /etc/duress file with a script that pipes to sendmail you@youremail.com. Add one line per old PW you want to monito

Yes. Put the hash of the old password in the /etc/duress file with a script that pipes to sendmail you@youremail.com. Add one line per old PW you want to monitor and vary the message sent via sendmail to ID which password.