> Hi lty, > On Fri, May 12, 2023 at 03:32:45PM +0800, lty--- via Postfix-users wrote: >> (...) >> We are using postfix 2.11 version. > > Really? My postfix version are: > yw-0919: Postfix 3.3.0 / Ubuntu 18.04 LTS > yw-1204: Postfix 3.5.18 / Debian 11 Bullseye > > And yw-1204 have OpenDKIM 2.11 as *Outbond* SMTP Server. > > Again, your postfix version is 2.11? > >
It seems he was using such a antispam system (spamassassin etc) which rejected the message. Tom _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
