Name: mailbox_maxmessages_calendar
Type: INT
Default-Value: 0
Last-Modified: 3.3.0

Limit the number of messages that may exist in a single mailbox of
"calendar" type. Default (0) means no limit.  This limit applies after
quotas are checked, so if you have both quota limits and this set, then you
will be denied if you are either over quota or over this per-mailbox count.
