>> Any pointers to what I could have misconfigured or how to further >> debug the issue would be really appreciated. > > Probably: https://bugs.horde.org/ticket/13808 > That was it, thanks. -- IKM-Serviceteam der Philosophischen Fakultät HHU Düsseldorf Gebäude 23.03, Ebene 01, Raum 27a Tel.: 0211/81-13077