1 files changed, 7 insertions, 3 deletions

diff --git a/lisp/mail/mailpost.el b/lisp/mail/mailpost.el
index 0d053da6024..f7548a94c05 100644
--- a/lisp/mail/mailpost.el
+++ b/lisp/mail/mailpost.el
@@ -28,7 +28,7 @@ site-init."
   (let ((errbuf (if mail-interactive
                     (generate-new-buffer " post-mail errors")
                   0))
-        (temfile (make-temp-file ",rpost"))
+        temfile
         (tembuf (generate-new-buffer " post-mail temp"))
         (case-fold-search nil)
         delimline
@@ -74,8 +74,12 @@ site-init."
                 (save-excursion
                   (set-buffer errbuf)
                   (erase-buffer))))
-          (set-file-modes temfile 384)
-          (write-file temfile)
+          (let ((m (default-file-modes)))
+            (unwind-protect
+                (progn
+                  (set-default-file-modes 384)
+                  (setq temfile  (make-temp-file ",rpost")))
+              (set-default-file-modes m)))
           (apply 'call-process
                  (append (list (if (boundp 'post-mail-program)
                                    post-mail-program