Hi . i'v installed postfix-cyrus-openldap on a Debian Potato for the gestion of several domains . my first conf , was Ok with on domain , witch i can put an receive a mail . now , i try to work with several domain . - The ldap declaration in my postfix conf : mydestination = filou.my,nedev.my,ldap:ldapdomain ldapdomain_server_host = zarma ldapdomain_server_port = 389 ldapdomain_bind_dn = o=hosting ldapdomain_search_base = o=hosting ldapdomain_query_filter = (&(objectclass=dnsdomain)(domain=%s)) ldapdomain_result_attribute = domain local_recipient_maps = ldap:ldapsource #alias_maps = hash:/etc/postfix/aliases, ldap:ldapsource alias_maps = ldap:ldapsource ldapsource_server_host = zarma ldapsource_timeout = 10 ldapsource_server_port = 389 ldapsource_search_base = o=hosting ldapsource_query_filter = (&(uid=%s)(!(mail="*|*"))) #ldapsource_result_attribute = mail ldapsource_result_attribute = maildrop - A detail of an output of my ldap database for the user phil .: dn: cn=phil,domain=filou.my,o=hosting cn: phil sn: phil mail: [EMAIL PROTECTED] userPassword:: cGhpbA== uid: phil mailacceptinggeneralid: phil maildrop: [EMAIL PROTECTED] objectClass: top objectClass: person objectClass: organizationalPerson objectClass: inetOrgPerson objectClass: account objectClass: posixAccount objectClass: uidObject So , i can send a mail to [EMAIL PROTECTED] , his mailbos user.phil_filou_my reseive the mail , output of my postfix log : to=<[EMAIL PROTECTED]>, relay=cyrus, delay=2, status=sent ([EMAIL PROTECTED]) but i can't get the mail , the connection failed .. When i'm log to imap whith user phil , it said that user does not exist .. When i log whith user phil_filou_my output of my postfix log : badlogin: zarma[192.168.1.1] plaintext phil_filou_my PAM Auth Error: User not known to the underlying authentication module ps : my pam_ldap.conf : host zarma base o=hosting ldap_version 2 # Filter to AND with uid=%s #pam_filter objectclass=domain # The user ID attribute (defaults to uid) pam_login_attribute uid #pam_login_attribute cn Someaone can help me Please ??? Thanks Philippe Izoret .