dovecot? systemd?

[Dr J Austin]

Is portreserve installed and doing things?

I had the opposite problem with Centos 6.7
dovecot was grabbing the port when I didn't want it to

>From my DIY notes
To cure the /etc/portreserve/dovecot problem on maui
the immutable bit has been set on an empty file
chattr +i /etc/portreserve/dovecot


On Thu, 2016-02-11 at 10:16 -0500, Tom Horsley wrote:
> On Thu, 11 Feb 2016 22:05:32 +0800
> Ed Greshko wrote:
> 
> > If you are certain the problem arose after the most recent update then the logical thing
> > to do is list what was updated.
> 
> I'm not certain of anything any more :-).
> 
> I rebooted twice after the update and dovecot failed each time, so it seemed
> to be reproducible, but then I added a "netstat -n -l -p" command to
> dovecot's "pre start" script so I could see who has port 993 tied up
> when dovecot starts, and it has worked perfectly after the reboots
> I tried with the modified the script.
> 
> I haven't yet tried putting back the original script to see if it
> starts failing again because I'm tired of rebooting :-).