X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/d4dc049f9a9e80ac3a470fd644418668eefedecb..600dc06981df5a906125f8442c36056a117412d4:/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