Hi!,

I'm trying to use single sign on from Windows. Install dovecot on CentOS 6. The host name is prueba-mail. I'm using version 2.0.9 because the latest 64-bit gives errors. But first I wanted to test whether user validation works with telnet. When I try to try "telnet prueba-mail imap" and try to "a1 LOGIN MyUsername MyPassword", I get the following error:prueba-mail dovecot: auth: pam(pepe,190.108.101.120): unknown user. I show my setup and I appreciate even the minimal support.

----------------( dovecot --version )------------------------

dovecot --version

----------------( dovecot -n )------------------------------

# 2.0.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-358.6.2.el6.x86_64 x86_64 CentOS release 6.4 (Final) auth_debug = yes auth_mechanisms = plain login ntlm auth_use_winbind = yes auth_username_format = %n disable_plaintext_auth = no mbox_write_locks = fcntl passdb { driver = pam } protocols = imap pop3 ssl = no userdb { args = uid=10000 gid=10000 home=/mail/%d/%n driver = static }

----------------( wbinfo -t )------------------------------

checking the trust secret for domain FNR via RPC calls succeeded

----------------( wbinfo -u )------------------------------

list all users

----------------( wbinfo -g )------------------------------

list all groups

------------( /usr/bin/ntlm_auth --username=pepe )---------

password: NT_STATUS_OK: Success (0x0)

------------( tail -n 500 -f /var/log/maillog )------------- Jun 26 14:02:04 prueba-mail dovecot: master: Dovecot v2.0.9 starting up (core dumps disabled) Jun 26 14:03:22 prueba-mail dovecot: auth: Debug: Loading modules from directory: /usr/lib64/dovecot/auth Jun 26 14:03:22 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libauthdb_ldap.so Jun 26 14:03:22 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_sqlite.so Jun 26 14:03:22 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libmech_gssapi.so Jun 26 14:03:22 prueba-mail dovecot: auth: Debug: auth client connected (pid=1691) Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: client in: AUTH#0111#011PLAIN#011service=imap#011lip=190.108.101.200#011rip=190.108.101.120#011lport=143#011rport=38118#011resp=<hidden> Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: Loading modules from directory: /usr/lib64/dovecot/auth Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libauthdb_ldap.so Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_sqlite.so Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libmech_gssapi.so Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: pam(pepe,190.108.101.120): lookup service=dovecot Jun 26 14:03:39 prueba-mail dovecot: auth: Debug: pam(pepe,190.108.101.120): #1/1 style=1 msg=Password: Jun 26 14:03:42 prueba-mail dovecot: auth: pam(pepe,190.108.101.120): unknown user Jun 26 14:03:44 prueba-mail dovecot: auth: Debug: client out: FAIL#0111#011user=pepe Jun 26 14:06:22 prueba-mail dovecot: imap-login: Disconnected: Inactivity (auth failed, 1 attempts): user=<pepe>, method=PLAIN, rip=190.108.101.120, lip=190.108.101.200

-- Maria José