Cyrus IMAP mailbox quota

cyradm -user cyrus localhost
localhost > listquotaroot user.accountname
user.accountname STORAGE 3869/1024000 (0.37783203125%)
localhost > lqr user.accountname
user.accountname STORAGE 3869/1024000 (0.37783203125%)
localhost > setquota user.accountname 102400
quota:102400