uschar *tls_privatekey = NULL;
BOOL tls_remember_esmtp = FALSE;
uschar *tls_require_ciphers = NULL;
+# ifdef EXPERIMENTAL_REQUIRETLS
+uschar tls_requiretls = 0; /* REQUIRETLS_MSG etc. bit #defines */
+uschar *tls_advertise_requiretls = US"*";
+const pcre *regex_REQUIRETLS = NULL;
+# endif
uschar *tls_try_verify_hosts = NULL;
uschar *tls_verify_certificates= US"system";
uschar *tls_verify_hosts = NULL;