FWIW, I have been subscribed twice and have successfully unsubscribed twice. If it happens again I'll install an SMTP level block. Ned P.S. I have no opinion about the applicability (or lack thereof) of can-spam to this. It's been too long since I read the law. _______________________________________________ Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf