Issue #4239: adjust email examples not to use connect() and terminate with
quit() and not close().
diff --git a/Doc/includes/email-dir.py b/Doc/includes/email-dir.py
index c04f57d..e67de61 100644
--- a/Doc/includes/email-dir.py
+++ b/Doc/includes/email-dir.py
@@ -106,9 +106,8 @@
         fp.close()
     else:
         s = smtplib.SMTP()
-        s.connect()
         s.sendmail(opts.sender, opts.recipients, composed)
-        s.close()
+        s.quit()
 
 
 if __name__ == '__main__':