Steve-san, I very much appreciate you giving me such well-explained information.
That was a BIG help! Thanks, Masaharu On Wed, Jun 17, 2020 at 11:25 PM Stephen J. Turnbull < turnbull.stephen...@u.tsukuba.ac.jp> wrote: > Masaharu Kawada writes: > > > The failed mail shows an 'x-beenthere' header in it like below. > > > The 'x-beenthere' header looks to be the reason why the problematic > > mailing list fails to receive mail from user, but I have no idea in > > what kind of situation we get 'x-beenthere' header in mail. > > That means either that (1) the message has previously been > successfully posted to the list (not necessarily by that user), and > the user is resending the message "as is" to the list (some MUAs call > this "forward" or "bounce"), or (2) something very odd is happening. > > (1) might happen if the post is, say, a FAQ or introduction to the > list and the user wants to post it on a regular basis. "Resending" to > the list might seem like an easy way to do it, but will fail because > of the x-beenthere header. > > I have no idea why case (2) would happen, except as a bad joke by > somebody who understands mail and Mailman quite well. > > > Does anyone in the list have any idea to describe why the mailing > > list is unavailable to receive mail? > > As you suspected, the x-beenthere field will prevent that list from > receiving that post. It needs to be removed from the message before > resending. > > If the situation I described above is what it happening, the best > solution is simple: make a template message, and copy that into a new > message each time. > > If the sender really likes the forward method, I don't recommend it, > but they can CC themselves, then delete the mailing list post from the > folder where they keep such form messages when it arrives. The user's > personal CC copy won't go through the list, and it won't have the > x-beenthere field, so can be resent "as is" as many times as you like. > > Steve > ------------------------------------------------------ Mailman-Users mailing list -- mailman-users@python.org To unsubscribe send an email to mailman-users-le...@python.org https://mail.python.org/mailman3/lists/mailman-users.python.org/ Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: https://www.mail-archive.com/mailman-users@python.org/ https://mail.python.org/archives/list/mailman-users@python.org/
