* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
/* See the file NOTICE for conditions of use and distribution. */
/* Private structure for the private options. */
uschar *mx_fail_domains;
uschar *srv_fail_domains;
uschar *check_srv;
- uschar *dnssec_request_domains;
- uschar *dnssec_require_domains;
uschar *fail_defer_domains;
+ uschar *ipv4_only;
+ uschar *ipv4_prefer;
} dnslookup_router_options_block;
/* Data for reading the private options. */