TFO: on FreeBSD avoid client TFO-mode connects unless a TCP_FASTOPEN setsocketopt...

[exim.git] / src / src / deliver.c

diff --git a/src/src/deliver.c b/src/src/deliver.c
index 648c63d691d6e977ceac9705a93dcbf619cb6d99..df51948d4035231444ae8c72c3770423305063fc 100644 (file)
--- a/src/src/deliver.c
+++ b/src/src/deliver.c
@@ -8413,6 +8413,13 @@ return final_yield;
 void
 deliver_init(void)
 {
+#ifdef EXIM_TFO_PROBE
+tfo_probe();
+#else
+tcp_fastopen_ok = TRUE;
+#endif
+
+
 if (!regex_PIPELINING) regex_PIPELINING =
   regex_must_compile(US"\\n250[\\s\\-]PIPELINING(\\s|\\n|$)", FALSE, TRUE);