Am 30.08.19 um 10:00 schrieb Christian Balzer via dovecot:
When upgrading on Debian Stretch with the security fix packages all dovecot processes get killed and then restarted despite having "shutdown_clients = no" set.
This is systemd doing its "magic" (kill all control group processes), see https://dovecot.org/pipermail/dovecot/2016-June/104546.html
for a potential fix.
