On Friday February 12 2021 17:55, you wrote to me:
SM>>> Shold ping robot ivalidate tear line and origin in original SM>>> message? ;)
MvdV>> I don't think that is needed. Origin is for echomail. Ping is MvdV>> netmail. Origin lines are ignored in netmail processing. Tear MvdV>> lines? Sometimes they indicate end of content, f.e. in MvdV>> araemanger messages. I see no harm if a ping robot just copies MvdV>> it as is.
SM> Meanwhile, it seems to me a good tradition to always invalidate them SM> when quoting. ;)
Then by all means, do so. But it seems to me that it is better not to add an origin line to netmail. Especially not a Ping request.