Happened to me also (or something quite similar), log lines look different tho. TB 78.4.2 (64-bit) davmail 5.5.1-3299 No reference to davmail.caldavAutoSchedule in my davmail.properties Messages sent after clicking Dismiss, only to the creator of the meeting, not everyone (creator was a person outside my organization in case that matters). Deleted the event directly from my OWA calendar, but it came back again. So just unsubscribed from the calendar. I have this lines in my log corresponding with...