Ldap group object classes MTA option

Direct LDAP schema MTA options:  (list of plus-separated list of objectclass names)
The  MTA option specifies the object classes required to be present in a  group entry. The default depends upon the schema tag (see the   MTA option). For a schema tag value of , the default for the   option is. For a schema tag value of , the default for this option is. For a schema tag value of,  the default for this option is.

See also:
 * Direct LDAP schema MTA options
 * Direct LDAP usergroup lookup MTA options
 * ldap_group_object_classes MTA Option
 * ldap_schematag MTA Option
 * LDAP URL substitution sequences
 * searchfilter Option