BOOL af_tcp_fastopen:1; /* delivery usefully used TCP Fast Open */
BOOL af_tcp_fastopen_data:1; /* delivery sent SMTP commands on TCP Fast Open */
BOOL af_pipelining:1; /* delivery used (traditional) pipelining */
-#ifdef EXPERIMENTAL_PIPE_CONNECT
+#ifdef SUPPORT_PIPE_CONNECT
BOOL af_early_pipe:1; /* delivery used connect-time pipelining */
#endif
#ifndef DISABLE_PRDR
int host_af;
uschar * interface;
-#if !defined(DISABLE_TLS) && defined(SUPPORT_DANE)
+#ifdef SUPPORT_DANE
BOOL dane:1; /* connection must do dane */
dns_answer tlsa_dnsa;
#endif