[horde] Issues storing calendars in IMAP

[Merlin Schumacher]

Hey,

I'm setting up a horde installation on a system i'm administrating.
I'm currently trying to get horde to use the IMAP-storage for
calendars. The system is a Ubuntu 14.04 with dovecot. I configured
dovecot to the best of my knowledge, but horde isn't able to properly
create the folders in the maildir, but seems to store the list of
folders it tried to create. Creating an event in the calendar fails
also. The system uses IMAP as authentication. There is no LDAP
available.
This is my dovecot configuration:
http://pastebin.com/3uFcHpz1
This is my horde configuration
http://pastebin.com/TvK5hZxm

I'd be thankful for every help

--
Merlin Schumacher
Sedanstraße 28
31134 Hildesheim

+491716714810

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