On 15 Jun 2018, at 5.17, Michael Heuberger <michael.heuberger@binarykitchen.com> wrote:

Thanks man

You suggesting the same as https://wiki2.dovecot.org/Logging says?

postrotate
 kill -s 0 `cat /var/run/dovecot/master.pid` || kill -s USR1 `cat /var/run/dovecot/master.pid`
endscript

Well, I already tried that and didn't work. Hence my guess that it's something else.