diff --git a/lisp/message.el b/lisp/message.el
index d780e86..ac43d04 100644
--- a/lisp/message.el
+++ b/lisp/message.el
@@ -8319,7 +8319,8 @@ regexp VARSTR."
 address in `message-alternative-emails', looking at To, Cc and
 From headers in the original article."
   (require 'mail-utils)
-  (let* ((fields '("To" "Cc" "From"))
+  (let* ((fields '("To" "Cc" "From"
+		   "X-Original-To" "Envelope-To" "Delivered-To"))
 	 (emails
 	  (split-string
 	   (mail-strip-quoted-names