>> > 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! :-)