1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* See the file NOTICE for conditions of use and distribution. */
7 /* SPDX-License-Identifier: GPL-2.0-only */
9 /* Private structure for the private options. */
12 BOOL check_secondary_mx;
16 uschar *widen_domains;
18 uschar *mx_fail_domains;
19 uschar *srv_fail_domains;
21 uschar *fail_defer_domains;
24 } dnslookup_router_options_block;
26 /* Data for reading the private options. */
28 extern optionlist dnslookup_router_options[];
29 extern int dnslookup_router_options_count;
31 /* Block containing default values. */
33 extern dnslookup_router_options_block dnslookup_router_option_defaults;
35 /* The main and initialization entry points for the router */
37 extern int dnslookup_router_entry(router_instance *, address_item *,
38 struct passwd *, int, address_item **, address_item **,
39 address_item **, address_item **);
41 extern void dnslookup_router_init(router_instance *);
43 /* End of routers/dnslookup.h */