> Technical measures: > > Short-Term > > - RCPT TO response codes signifying acceptance levels, EG: > > - 250 (default) what the law allows by default > > - 255 (stiff) no solicitations at all > > - 259 (extreme) no trespassing -- authorized senders only > > - 25x allows interoperability but other codes may be more useful, > > - especially considering different jurisdictions will likely need > their own codes > > - organizations can set default as policy requires, or can allow > users to set according to preference - virtual "no soliciting" signs may be more appropriate in some cases. - allow receiver to provide an (optional) indication of the receiving host's or users's legal jurisdiction(s), so that the spammer can't claim they don't know which set of rules apply. - Bill