How to check Zimbra account summary
Zmaccts : This command runs a report that lists all the accounts, their status, when they were created and the last time anyone logged on. The domain summary shows the total number of accounts and their status.
$ zmaccts
acount summary
account status created last logon
------------------------------------ ----------- --------------- ---------------
shahzad@example.com active 03/24/16 06:57 never
domain summary
domain active closed locked maintenance total
----------------------- -------- -------- -------- ------------- --------
example.com 1 0 0 0 1