X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/4fab92fbc2b63bac2d89c1dae69fa1845cb640b7..b2734f7b45111f9b7de790c7b334a2ece47675b5:/test/confs/0570

diff --git a/test/confs/0570 b/test/confs/0570
index 1c2ca0a25..962e76bb0 100644
--- a/test/confs/0570
+++ b/test/confs/0570
@@ -36,5 +36,6 @@ smtp:
   driver = smtp
   port = PORT_D
   OPTION
+  max_parallel = 1
 
 # End