(sendmail-send-it): If both

buffer-file-coding-system and sendmail-coding-system are nil, use
iso-latin-1 for encoding.

1 files changed, 2 insertions, 1 deletions

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 1035aba71cb..fdf4e487d97 100644
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -623,7 +623,8 @@ the user from the mailer."
          (if (local-variable-p 'buffer-file-coding-system)
              buffer-file-coding-system
            (or sendmail-coding-system
-               default-buffer-file-coding-system))))
+               default-buffer-file-coding-system
+               'iso-latin-1))))
     (unwind-protect
         (save-excursion
           (set-buffer tembuf)