diff --git a/emacs/init.el b/emacs/init.el
index 2628d23..b13756f 100644
--- a/emacs/init.el
+++ b/emacs/init.el
@@ -261,3 +261,5 @@ they line up with the line containing the corresponding opening bracket."
 
 (require 'jsx-mode)
 (require 'js2-mode)
+
+(add-to-list 'auto-mode-alist '("/tmp/mutt.*" . mail-mode))