Fix cert-try-verify when denied by event action

[exim.git] / src / src / spool_mbox.c

diff --git a/src/src/spool_mbox.c b/src/src/spool_mbox.c
index bdeb2b1a66fea44eb5626cadf42b84796b00611d..12cf3d43eaf58b7c33ed96575cad8403b1979ef5 100644 (file)
--- a/src/src/spool_mbox.c
+++ b/src/src/spool_mbox.c
@@ -96,7 +96,11 @@ FILE *spool_mbox(unsigned long *mbox_file_size, uschar *source_file_override) {
     };
 
     /* End headers */
-    (void)fwrite("\n", 1, 1, mbox_file);
+    if (fwrite("\n", 1, 1, mbox_file) != 1) {
+      log_write(0, LOG_MAIN|LOG_PANIC, "Error/short write while writing \
+        message headers to %s", mbox_path);
+      goto OUT;
+    }
 
     /* copy body file */
     if (source_file_override == NULL) {