X-MOZILLA-RECUR-DEFAULT-UNITS :years RRULE :FREQ=YEARLY;INTERVAL=1;BYMONTH=10 DTSTART ;VALUE=DATE :20021026and probably X-MOZILLA-* isn't recognized by SOGo.
No, it's not, but it is not required either. As mentionned, please fill a bug. This is likely going to be easily fixed. Thank you for reporting this! Wolfgang -- users@sogo.nu https://inverse.ca/sogo/lists
