Monday February 15 2021 12:21, you wrote to Alexey Vissarionov:
MvdV> What I know is that such a hyphotecial robot runs on the system of MvdV> the MvdV> initiator of the PING. That is where the respons goes. If the initiator MvdV> of the response insists on adding tearline en origin to the ping request MvdV> while his hypothetical robot ca not deal with such a situation, he only MvdV> has himself to blame.
MvdV> Origin lines are for echomail. They do not belong in netmail. Of couse MvdV> it does not harm, but an origin line in netmail should simply be treated MvdV> as text and never be "processed".