[Dovecot] Maildir delete folder error

[Peter Tambach]

I'm getting errors when I try to delete a maildir folder.

Dovecot versions 1.0.10, 1.0.13, 1.1.rc1, 1.1,rc3
Error received:
"dovecot: Mar 15 15:20:29 Error: IMAP(test at mydomain.com): 
unlink_directory(/home/mail/mydomain.com/test/..DOVECOT-TRASHED) failed: 
Permission denied"

dovecot -n:
"# 1.1.rc3: /etc/dovecot/dovecot.conf
base_dir: /var/run/dovecot/
log_path: /var/log/dovecot
info_log_path: /var/log/dovecot.info
protocols: imap pop3
ssl_disable: yes
disable_plaintext_auth: no
login_dir: /var/run/dovecot/login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(pop3): /usr/libexec/dovecot/pop3-login
login_greeting: Dovecot DA ready.
verbose_proctitle: yes
first_valid_uid: 100
mail_location: maildir:/home/mail/%d/%n
mail_debug: yes
mail_executable(default): /usr/libexec/dovecot/imap
mail_executable(imap): /usr/libexec/dovecot/imap
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_plugin_dir(default): /usr/lib64/dovecot/imap
mail_plugin_dir(imap): /usr/lib64/dovecot/imap
mail_plugin_dir(pop3): /usr/lib64/dovecot/pop3
auth default:
  mechanisms: plain digest-md5
  verbose: yes
  debug: yes
  passdb:
    driver: sql
    args: /etc/dovecot/dovecot-sql.conf
  userdb:
    driver: prefetch
  socket:
    type: listen
    client:
      path: /var/spool/postfix/private/auth
      mode: 432
      user: postfix
      group: postfix
"

dovecot-sql.conf:
"password_query = SELECT email as user, crypt as password, homedir as 
userdb_home, uid as userdb_uid, gid as userdb_gid FROM postfix_users 
WHERE email = '%u'"

Directory owners / perms:
/home/mail:  mail mail 0710
/home/mail/mydomain.com: mydomain mail 0710
/home/mail/mydomain.com/test/ and all contents: mydomain mail, dirs 
0700, files 0600


Tried all kinds of things, problem got me stuck for weeks. doesn't want 
to remove directory. Any help would be appreciated.

Greetings,
Peter