X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/322ae953e144d9e1fdc06d993d2e4551f5fb1322..cf1376206284:/src/src/smtp_in.c

diff --git a/src/src/smtp_in.c b/src/src/smtp_in.c
index e19c86ff8..aeaffeb37 100644
--- a/src/src/smtp_in.c
+++ b/src/src/smtp_in.c
@@ -5105,15 +5105,18 @@ while (done <= 0)
 	}
 
       if (chunking_state > CHUNKING_OFFERED)
-	rc = OK;			/* No predata ACL or go-ahead output for BDAT */
+	rc = OK;	/* There is no predata ACL or go-ahead output for BDAT */
       else
 	{
-	/* If there is an ACL, re-check the synchronization afterwards, since the
-	ACL may have delayed.  To handle cutthrough delivery enforce a dummy call
-	to get the DATA command sent. */
+	/* If there is a predata-ACL, re-check the synchronization afterwards,
+	since the ACL may have delayed.  To handle cutthrough delivery enforce a
+	dummy call to get the DATA command sent. */
 
 	if (!acl_smtp_predata && cutthrough.cctx.sock < 0)
+	  {
+	  if (!check_sync()) goto SYNC_FAILURE;
 	  rc = OK;
+	  }
 	else
 	  {
 	  uschar * acl = acl_smtp_predata ? acl_smtp_predata : US"accept";