Find out amount of active users
From Zarafa wiki
Commercial Zarafa subscriptions has a limitation of the amount of active users you can create. To check the amount of created active users on a system, the following commands can be used:
For 6.40 and older versions:
zarafa-stats --users | grep 0x67B0000B | grep False | wc -l
For 7.0 and later
zarafa-admin --user-count User counts:
Allowed Used Available
Active 100 6 94 Non-active 250 1 249 Users 0 Rooms 1 Equipment 0 Total 350 7 343
