X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e3dd1d67d7e5bfd0b123d6cb84e00a570415bdea..d502442ac32f8964f6cf86469869cecb035d12c0:/src/src/transport.c

diff --git a/src/src/transport.c b/src/src/transport.c
index 00b8fa9d8..f0b748639 100644
--- a/src/src/transport.c
+++ b/src/src/transport.c
@@ -1827,6 +1827,11 @@ if ((pid = fork()) == 0)
 
   argv = child_exec_exim(CEE_RETURN_ARGV, TRUE, &i, FALSE, 0);
 
+  #ifdef EXPERIMENTAL_DSN
+  /* Call with the dsn flag */
+  if (smtp_use_dsn) argv[i++] = US"-MCD";
+  #endif
+
   if (smtp_authenticated) argv[i++] = US"-MCA";
 
   #ifdef SUPPORT_TLS