int daemon_startup_retries = 9;
int daemon_startup_sleep = 30;
+#ifdef EXPERIMENTAL_DBL
+int dbl_defer_errno = 0;
+uschar *dbl_defer_errstr = NULL;
+uschar *dbl_delivery_ip = NULL;
+int dbl_delivery_port = 0;
+uschar *dbl_delivery_fqdn = NULL;
+uschar *dbl_delivery_local_part= NULL;
+uschar *dbl_delivery_domain = NULL;
+uschar *dbl_delivery_confirmation = NULL;
+#endif
+
#ifdef EXPERIMENTAL_DCC
BOOL dcc_direct_add_header = FALSE;
uschar *dcc_header = NULL;