Ldap basedn filter schema1 and ldap basedn filter schema2 MTA (and base) options

Direct LDAP schema MTA options:  (LDAP URL filter),    (LDAP URL filter elements)
(New in MS 6.3-0.15.) The   MTA option specifies the filter used to identify schema 1 domains when performing baseDN searches. The  MTA option  specifies additional filter elements used to identify schema 2 domains when performing baseDN searches. The default is that neither the  MTA option nor   MTA option is set. When these options are not set, then the values of   and ,  respectively, are used if those options are set. But if none of these options are set, then the default for  is  " ", while the default for   is the empty string.

See also:
 * Direct LDAP schema MTA options
 * ldap_domain_filter_schema1 Option
 * ldap_domain_filter_schema2 Option