--- approve.orig	1997-04-05 21:18:36.000000000 +0200
+++ approve	2002-12-19 11:56:05.000000000 +0100
@@ -214,6 +214,11 @@
 	    $from_skipped = 1;
 	    next;
 	}
+	elsif (/^Delivered-To: /i) {
+	    # Skip Develivered-To: headers on approval to avoid
+	    # bouncing of the approved message by MTAs like Postfix.
+	    next;
+	}
 	s/^~/~~/;
 	print MAIL $_;
     }