My roundcube not it is creating default boxes Centos 6.3 Dovecot 2

[estefaniobrunhara]

Helo forum!  My name is Estefanio. I´m brazilian and  need help, with my roundcube.

My roundcube  not it is creating default boxes. I have Centos 6.3 Dovecot 2

vim  /var/www/html/roundcube/config/config.inc.php

rcmail_config['default_folders'] = array('INBOX', 'Drafts', 'Sent', 'Junk', 'Trash');

$rcmail_config['create_default_folders'] = true;

try so, but not worked

rcmail_config['default_folders'] = array('INBOX', 'INBOX.Drafts', 'INBOX.Sent', 'INBOX.Junk', 'INBOX.Trash');

Me sorry, I not write english. I´m using google translator

Thank you