+ BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
+ BIO_printf(bio_err," for those protocols that support it, where\n");
+ BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n");
+ BIO_printf(bio_err," only \"smtp\" is supported.\n");
+#ifndef OPENSSL_NO_ENGINE