> On 13/09/2021 20:05 Шварц Сергей Владимирович <svschwa...@gmail.com> wrote: > > > Hi guys! > > I'm using dovecot submission server for clients to send emails and relay them > to postfix. Everything works fine unless a client tries to send large (40Mbs) > messages. No big deal one can say just set "message_size_limit = 314572800" > in postfix and it should just work, but no, it does not, client gets "552 > 5.2.3 Message size exceeds administrative limit.". I've increased verbosity > for smtpd process and get this logs for a failed attempt >
<snip/> > if I configure imap client /Thunderbird to connect directly to postfix > everything works just fine. > > doveconf -n output is attached just in case Try adding log_debug=category=smtp-client or category=smtp-server or category=smtp-submit to your dovecot.conf and see if you could get some logs? Aki
