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