<https://wiki2.dovecot.org/Mountpoints>
The list of ignored mount points are stored in a directory (/var/run)
that's cleared on reboot. (On CentOS it's a RAM disk.) It seems this
should be stored in /etc/dovecot to remain persistent across reboots.
<https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard>
I discovered this when I saw a dovecot error message in /var/log/maillog
that some of my automounts (that don't contain mail directories) were
missing.
Latest dovecot from this distro is dovecot-2.2.10-8.el7.x86_64. Does the
new release fix this? (I haven't seen any real problems from it, just log
noise.)
