diff --git a/.emacs.d/email.org b/.emacs.d/email.org
index ab9716e..dffd4dc 100644
--- a/.emacs.d/email.org
+++ b/.emacs.d/email.org
@@ -106,9 +106,11 @@ In order to send mail with ~mu4e~, you must also configure an SMTP client.  Base
 (use-package smtpmail
   :after mu4e
   :config
-  (setq smtpmail-stream-type 'starttls
+  (setq authsources '("~/.authinfo")
+        smtpmail-stream-type 'plain
         smtpmail-smtp-server "127.0.0.1"
-        smtpmail-smtp-service 1025))
+        smtpmail-smtp-service 1025
+        smtpmail-servers-requiring-authorization "127\.0\.0\.1"))
 
 (setq send-mail-function 'smtpmail-send-it)
 #+end_src