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

Limit the number of messages that may exist in a single mailbox of "email"
(normal) 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.
