Hi guys im new to dovecot , and im trying to authenticate dovecot to LDAP

this my configuration

dovecot --version

1.2.15

dovecot -n

# 1.2.15: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.5 log_timestamp: %Y-%m-%d %H:%M:%S protocols: imap pop3 login_dir: /var/run/dovecot/login login_executable(default): /usr/lib/dovecot/imap-login login_executable(imap): /usr/lib/dovecot/imap-login login_executable(pop3): /usr/lib/dovecot/pop3-login mail_privileged_group: mail mail_location: mbox:~/mail:INBOX=/var/mail/%u mbox_write_locks: fcntl dotlock mail_executable(default): /usr/lib/dovecot/imap mail_executable(imap): /usr/lib/dovecot/imap mail_executable(pop3): /usr/lib/dovecot/pop3 mail_plugin_dir(default): /usr/lib/dovecot/modules/imap mail_plugin_dir(imap): /usr/lib/dovecot/modules/imap mail_plugin_dir(pop3): /usr/lib/dovecot/modules/pop3 auth default: verbose: yes debug: yes passdb: driver: pam passdb: driver: ldap args: /etc/dovecot/dovecot-ldap.conf userdb: driver: passwd userdb: driver: ldap args: /etc/dovecot/dovecot-ldap.conf

*Out put of dovecot-ldap.conf* file

uris = ldap://ldap.example.com:389 dn = cn=admin,dc=example,dc=com dnpass = abc tls = no ldap_version = 3 base = ou=users,dc=example,dc=com scope = subtree user_attrs = homeDirectory=home,uidNumber=uid,gidNumber=gid user_filter = (&(objectClass=inetOrgPerson)(uid=%u)) pass_attrs = uid=user,userPassword=password pass_filter = (&(objectClass=inetOrgPerson)(uid=%u))

• *Out put of LDAP , *

Entry 1: uid=userone,ou=users,dc=example,dc=com

dn: uid=userone,ou=users,dc=example,dc=com cn: Firtname Lastname displayname: Firtname Lastname givenname: Firstname mail: userone@example.com objectclass: inetOrgPerson objectclass: top sn: Lastname uid: userone userpassword: {SHA}0P/ssspVCIZx8+tVsss=

but authentication fails with the follwing error , Please Advice

Apr 19 08:18:48 localhost dovecot: auth(default): client in: AUTH#0111#011PLAIN#011service=imap#011secured#011lip=127.0.0.1#011rip=127.0.0.1#011lport=143#011rport=38734#011resp=<hidden> Apr 19 08:18:48 localhost dovecot: auth-worker(default): pam(userone,127.0.0.1): lookup service=dovecot Apr 19 08:18:48 localhost dovecot: auth-worker(default): pam(userone,127.0.0.1): #1/1 style=1 msg=Password: Apr 19 08:18:49 localhost dovecot: auth(default): new auth connection: pid=7517 Apr 19 08:18:50 localhost dovecot: auth-worker(default): pam(userone,127.0.0.1): pam_authenticate() failed: Authentication failure (password mismatch?) Apr 19 08:18:50 localhost dovecot: auth(default): ldap(userone,127.0.0.1): pass search: base=ou=users,dc=example,dc=com scope=subtree filter=(uid=userone) fields=uid,userPassword Apr 19 08:18:50 localhost dovecot: auth(default): ldap(userone,127.0.0.1): result: uid(user)=userone userPassword(password)=<hidden> Apr 19 08:18:50 localhost dovecot: auth(default): client out: OK#0111#011user=userone Apr 19 08:18:50 localhost dovecot: auth(default): master in: REQUEST#0111#0117514#0111 Apr 19 08:18:50 localhost dovecot: auth(default): passwd(userone,127.0.0.1): lookup Apr 19 08:18:50 localhost dovecot: auth(default): passwd(userone,127.0.0.1): unknown user Apr 19 08:18:50 localhost dovecot: auth(default): ldap(userone,127.0.0.1): user search: base=ou=users,dc=example,dc=com scope=subtree filter=(uid=userone) fields=homeDirectory,uidNumber,gidNumber Apr 19 08:18:51 localhost dovecot: auth(default): ldap(userone,127.0.0.1): no fields returned by the server Apr 19 08:18:51 localhost dovecot: auth(default): master out: USER#0111#011userone Apr 19 08:18:51 localhost dovecot: dovecot: User userone is missing UID (see mail_uid setting) Apr 19 08:18:51 localhost dovecot: imap-login: Internal login failure (auth failed, 1 attempts): user=<userone>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured