Found the bug. I added .service files, but forgot to use dh_systemd dh addon, so the services were not enabled at the install time.
This will be fixed in next upload. Cheers, -- Ondřej Surý <ond...@sury.org> Knot DNS (https://www.knot-dns.cz/) – a high-performance DNS server Vše pro chleba (https://vseprochleba.cz) – Potřeby pro pečení chleba všeho druhu On Thu, May 5, 2016, at 15:38, Robert wrote: > Hello Ondřej, > > I filed the bug on the machine where it appeared. > The outputs were: > > $ systemctl status courier-imap-ssl > ● courier-imap-ssl.service - Courier IMAP Daemon (SSL) > Loaded: loaded (/lib/systemd/system/courier-imap-ssl.service; > disabled; vendor preset: enabled) > Active: inactive (dead) > > $ systemctl status courier-imap > ● courier-imap.service - Courier IMAP Daemon > Loaded: loaded (/lib/systemd/system/courier-imap.service; disabled; > vendor preset: enabled) > Active: inactive (dead) > > $ journalctl --unit=courier-imap > -- No entries -- > > $ journalctl --unit=courier-imap-ssl > -- No entries -- > > > Unfortunately I am not yet familiar with systemd, but now I was able to > activate the services using systemctl. > Only question left is, why were they disabled after the update? > > > Regards > Robert >