X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/4fab92fbc2b63bac2d89c1dae69fa1845cb640b7..5ce86c4f552071ad7408c40324d5211ab2a2da82:/test/confs/0570

diff --git a/test/confs/0570 b/test/confs/0570
index 1c2ca0a25..efaf3bccb 100644
--- a/test/confs/0570
+++ b/test/confs/0570
@@ -35,6 +35,8 @@ begin transports
 smtp:
   driver = smtp
   port = PORT_D
+  hosts_try_fastopen = :
   OPTION
+  max_parallel = 1
 
 # End