Show quota mail on Roundcube webmail

[yaa]

Hi
I am installation Vesta 0.9.8 on CentOS 7, the vesta works as well. However, I would like ask someone who has experience to configuration show quota mail on Roundcube webmail. Please help

Thank you
Yaa

[yaa]

Hi
one issue I try to test by setting user01 mailbox Quota 20 (in megabytes), when size of mailbox exceed but still send/receive email
61M /home/admin/mail/xxxxxx.com/user01
43M /home/admin/mail/xxxxxx.com/user01/.Sent/cur
43M /home/admin/mail/xxxxxx.com/user01/.Sent

please help

Thanks