Hi,
>
> *BAYES_SPAM* (5.1) [100.00%]
> *ARC_REJECT* (2) [signature check failed: fail, {[1] =
> sig:leibniz-remscheid.de:reject}]
> *MAILLIST* (-0.2) [mailman]
rspamd recognizes it as a mailinglist mail, but somehow it has learned
before that the mail is spam? Do you have some custom bayes configuration?
Kind regards
Bjoern