Add troubleshooting tip in emacstips: encrypt also for sender.

This whole thing actually happened thanks to bremner.

diff --git a/emacstips.mdwn b/emacstips.mdwn
index 24ed641be39b9b0375a2957b5f7c14ba27349799..19e94e049d3f2afacace42f32dad7ececf4881b6 100644 (file)
--- a/emacstips.mdwn
+++ b/emacstips.mdwn
@@ -300,7 +300,7 @@ available:
         git clone https://github.com/aperezdc/notmuch-addrlookup-c
         cd notmuch-addrlookup-c
         make
-        
+
   * The vala-based
     [addrlookup](http://github.com/spaetz/vala-notmuch) The addrlookup binary needs to be compiled.
     Grab
@@ -401,6 +401,9 @@ part.
   installed, it will shadow the fixed version of easypg included with
   emacs.
 
+- If you wish `mml-secure-encrypt` to encrypt also for the sender, then
+  `M-x customize-variable mml2015-encrypt-to-self` might suit your need.
+
 ## Reading and verifying encrypted and signed messages
 
 Encrypted and signed mime messages can be read and verified with: