Thanks for bringing this to the attention of the list.
IMHO, This definitely needs to be taken up in IETF.
Is it too late to get a BOF on this in Minneapolis?
There have been some discussions between bulk mail senders, isps, and
anti-spam folks, with one result being a series of proposals, described
I have suggested that these be brought to an open standards forum.
Whether they are, or not, I think that the IETF email community should
review and comment on these.