>It is this "collateral damage" from the broken aspects of DMARC that >is disturbing. The proponents of DMARC need to look at "the current >details of the DMARC specification" and better understand the damage >that they have imposed on the rest of the Internet. What leads you to imagine that they don't understand it? The question is how much they care, and how much we can persuade them to help mitigate it. R's, John