1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/mail/smtpmail.el b/lisp/mail/smtpmail.el
index 925a6ec2e83..d0ac4b3c7e9 100644
--- a/lisp/mail/smtpmail.el
+++ b/lisp/mail/smtpmail.el
@@ -363,7 +363,7 @@ don't define this value.")
 ;                (setq return-value response-string)
 
                  (if smtpmail-debug-info
-                     (message response-string))
+                     (message "%s" response-string))
 
                  (setq smtpmail-read-point match-end)
                  (setq return-value