--- a/UPGRADE	Mon Aug 25 20:45:54 2008 +0000
+++ b/UPGRADE	Tue Aug 26 01:53:48 2008 +0000
@@ -11,6 +11,8 @@
     
     * start psql and connect to the appropriate database (ex. psql mailsys)
     * update the database: \i update_tables_0.4.x-0.5.pgsql
+    * GRANT SELECT ON postfix_alias TO postfix;
+                                       ^^^^^^^^ <- your Postfix db user
 
     * execute upgrade.sh