int sock; /* used for a bound but not connected socket */
uschar * sending_ip_address; /* used for TLS resumption */
const uschar * host_lbserver; /* ditto, for server-behind LB */
+ BOOL have_lbserver:1; /* host_lbserver is valid */
#ifdef SUPPORT_DANE
BOOL dane:1; /* connection must do dane */
const uschar *host_name;
const uschar *host_address;
const uschar *host_ipv4;
- BOOL negative;
+ mcs_flags flags;
} check_host_block;
/* Structure for remembering lookup data when caching the result of