Dovecot - telnet Authentication Failed

[muflix]

Hello i have a problem with Authentication:

Dovecot verison: 2.0.18
Debian 6 squeeze

# telnet localhost 143

...
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE
IDLE STARTTLS AUTH=PLAIN] Dovecot ready.
1 login Administrator@mydomain.cz 123456aB
* OK Waiting for authentication process to respond..
1 NO [AUTHENTICATIONFAILED] Authentication failed.
* BYE Disconnected for inactivity.
Connection closed by foreign host.

/var/log/dovecot.message

2012-03-30 22:45:03 imap-login: Info: Disconnected: Inactivity (auth
failed, 1 attempts): user=<Administrator@mydomain.cz>, method=PLAIN,
rip=127.0.0.1, lip=127.0.0.1, secured

# 2.0.18: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.4 ext3

disable_plaintext_auth = no
log_path = /var/log/dovecot.message
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_location = maildir:/var/mail/%u
mail_privileged_group = mail
passdb {
  args = /etc/dovecot/dovecot-ldap.conf
  driver = ldap
}
passdb {
  driver = pam
}
protocols = imap
service auth {
  unix_listener auth-master {
    group = vmail
    mode = 0600
    user = vmail
  }
  unix_listener auth-userdb {
    user = vmail
  }
  user = root
}
ssl_cert = </etc/ssl/certs/dovecot.pem
ssl_key = </etc/ssl/private/dovecot.pem
userdb {
  args = /etc/dovecot/dovecot-ldap.conf
  driver = ldap
}
userdb {
  driver = passwd
}
protocol lda {
  hostname = oc.test
  log_path = /var/log/dovecot.message
  postmaster_address = postmaster@oc.test
}
protocol pop3 {
  pop3_uidl_format = %08Xu%08Xv
}

# /etc/dovecot/dovecot-ldap.conf

hosts = 192.168.0.10:389
dn = cn=Administrator,cn=Users,dc=mydomain,dc=cz
dnpass = 123456aB
tls = no
ldap_version = 3
base = dc=mydomain,dc=cz
scope = subtree
user_attrs = sAMAccountName=home=/var/vmail/mydomain.cz/%$
user_filter =
(&(sAMAccountName=%Ln)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))
pass_filter =
(&(sAMAccountName=%Ln)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))

# cat /etc/hostname
mailsrv
# cat /etc/hosts
127.0.0.1 mydomain.cz mailsrv.mydomain.cz
...

# in /etc/passwd i have:
mail:x:8:8:mail:/var/mail:/bin/sh
vmail:x:5000:5000::/var/mail:/bin/sh

on 192.168.0.10:389 : im using windows Active Directory with default
settings, user accounts are in Organization Unit named Users (i didnt
specify mail adresses in AD, hope its not mistake)

please help, thank you

[muflix]

okay, i changed to cyrus and it works now.. i think maybe was mistake in
user_attrs = sAMAccountName=home=/var/vmail/mydomain.cz/%$
or
(&(sAMAccountName=%Ln)(!(userAccountControl:1.2.84 0.113556.1.4.803:=2)))
line. thx