Hello! Mar 11 11:00:56 example.org cyrus/https[484493]: iTIP scheduling request from mm@internal to mm@xxxxxxxxxxx What causes that? I have mm as login name, @internal is being added. Is that an issue of the CalDAV client or is something in Cyrus not properly configured? m@srv1:~$ sudo hostnamectl Static hostname: srv1.example.org Icon name: computer-desktop Chassis: desktop 🖥️ Machine ID: xxx Boot ID: xxx Operating System: Debian GNU/Linux 12 (bookworm) Kernel: Linux 6.1.0-13-amd64 Architecture: x86-64 Hardware Vendor: Intel Corporation Hardware Model: D525MW Firmware Version: MWPNT10N.86A.0132.2013.0726.1534 m@srv1:~$ hostname prints out the FQDN. -- kind regards Marco Send spam to 1710151302muell@xxxxxxxxxxxxxx ------------------------------------------ Cyrus: Info Permalink: https://cyrus.topicbox.com/groups/info/T40bf78e82245a73c-Md14ca109292cac2ef874f9bd Delivery options: https://cyrus.topicbox.com/groups/info/subscription