At 10:02 15-11-2007, Douglas Otis wrote: The TBR extension can:
1) without burdening the receiver a- provide a valid identity of origination b- eliminate back-scatter
It may eliminate backscatter but it introduces a new problem, i.e. it can be used to stage attacks using HTTP.
5) protect valid email-address confidentiality
See Section 7.6 of RFC 2821 about information disclosure in message forwarding. Regards,-sm
