{
# ifdef EXIM_TCP_CORK /* Use _CORK to get TLS Close Notify in FIN segment */
(void) setsockopt(sx->cctx.sock, IPPROTO_TCP, EXIM_TCP_CORK, US &on, sizeof(on));
{
# ifdef EXIM_TCP_CORK /* Use _CORK to get TLS Close Notify in FIN segment */
(void) setsockopt(sx->cctx.sock, IPPROTO_TCP, EXIM_TCP_CORK, US &on, sizeof(on));