On Sat, 2018-10-27 at 10:51 +0200, Daniel Harke wrote:
Maybe someone has another hint to debug my performance issues or another configuration mode to test.
I had speed issues when I joined my Dovecot server to my freeipa domain. I started using the pam module so that user lookups were against freeipa (kerberos + ldap). Eventually I figured it out and now the speed problems are gone.
Have a look here:
https://www.dovecot.org/list/dovecot/2016-June/104480.html
Maybe there's something there that could help you out.
Regards,
Ranbir