>> > It would obligate mailers who want to state they are RFC822 conforming to >> > not barf when they see it because RFC822 clearly provides for the >> > registration >> > of new headers. Whether it utilizes it or not cannot be enforced, but what >> > else is new? >> >> If they don't use it, then we won't get rejection mail sent to the right >> place. > >Might it not be easier to convince authors of mailers to include a >constant new header to identify rejection messages (i.e., >Acknowledgement-at: Rejection) that to change their software to >recognize a new header (such as Errors-to:) as specifying the place >to send rejections? Sounds like less work to me. > >Roger among other things that does not allow LISTSERV to use the sender header the way god & frc822 intended! :-)