On 05/15/2014 05:38 PM, Robert Heller wrote: > > It wasn't any of these. I believe I have figured out what happened. The poster > did something 'bad': instead of creating a fresh message he located an old > message with a return address of the list and did a reply and then edited > *some* of the headers: only some of the 'visible' ones and did not delete > the > 'hidden' ones, which confused the list server. > > I discovered this when saw dkim log messages suggesting that the server the > message came from might be pretending to be my server and then when I looked > at the headers of another message from this poster that had headers it should > not have had.
The only header that should cause an automatic discard is X-BeenThere: with the list's posting address. MUA's will normally not copy this into a 'reply', so the poster must have generated the reply in some other way like 'bounce' or 'remail' to the list. -- Mark Sapiro <m...@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org