[Dovecot] Outlook cant delete folders

[Romer Ventura]

Hello,

It has been brought to my attention that outlook users cant delete  
folders from their mailbox. They can move them around and erase  
emails, but when it comes to folders, they cant.. Any ideas..?

# dovecot --version
1.1.7

# dovecot -n
# 1.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.16.60-0.21-xenpae i686 SUSE Linux Enterprise Server  
10 (i586)
login_dir: /var/run/dovecot/login
login_executable: /usr/lib/dovecot/imap-login
mail_uid: vmail
mail_gid: vmail
mail_location: maildir:~/Maildir/
mail_plugins: lazy_expunge
imap_client_workarounds: delay-newmail outlook-idle netscape-eoh
namespace:
   type: private
   separator: /
   inbox: yes
   list: yes
   subscriptions: yes
namespace:
   type: private
   separator: /
   prefix: .EXPUNGED/
   location: maildir:/home/vmail/%Ud/%Ln/Maildir/expunged
   list: yes
   subscriptions: yes
namespace:
   type: private
   separator: /
   prefix: .DELETED/
   location: maildir:/home/vmail/%Ud/%Ln/Maildir/deleted
   list: yes
   subscriptions: yes
namespace:
   type: private
   separator: /
   prefix: .DELETED/.EXPUNGED/
   location: maildir:/home/vmail/%Ud/%Ln/Maildir/deleted/expunged
   list: yes
   subscriptions: yes
auth default:
   mechanisms: plain login
   passdb:
     driver: ldap
     args: /etc/dovecot/dovecot-ldap.conf
   userdb:
     driver: ldap
     args: /etc/dovecot/dovecot-ldap.conf
   socket:
     type: listen
     client:
       path: /var/spool/postfix/private/auth
       mode: 432
       user: postfix
       group: postfix
     master:
       path: /var/run/dovecot/auth-master
       mode: 384
       user: vmail
       group: vmail
plugin:
   lazy_expunge: .EXPUNGED/ .DELETED/ .DELETED/.EXPUNGED/