$ldap_authentication_conf->loginConflictResolve=LDAP_AUTHENTICATION_CONFLICT_LOG;//LDAP_AUTHENTICATION_CONFLICT_LOG or LDAP_AUTHENTICATION_CONFLICT_RESOLVE
$ldap_authentication_conf->emailOption=LDAP_AUTHENTICATION_EMAIL_FIELD_REMOVE;// LDAP_AUTHENTICATION_EMAIL_FIELD_REMOVE or LDAP_AUTHENTICATION_EMAIL_ALLOW_DRUPAL_EMAIL or LDAP_AUTHENTICATION_EMAIL_FIELD_DISABLE