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.
Dear list,
One mailman mailing list can not receive mail from user and
/var/log/mailman/vette shows "Message discarded," as follows.
---/var/log/mailman/vette:
Jun 04 14:17:37 2020 (1238) Message discarded, msgid: <
ty2pr01mb4779856244...@ty2pr01mb4779.xxx.xxx.com>
The failed mail s
