--- rules/local.cf.orig	2008-01-06 06:11:39.000000000 +0900
+++ rules/local.cf	2008-05-27 22:07:58.000000000 +0900
@@ -51,3 +51,12 @@
 # bayes_ignore_header X-Spam-Flag
 # bayes_ignore_header X-Spam-Status
 
+
+#   Normalize charset to UTF-8 (default:0)
+#
+# normalize_charset 1
+#
+# score FROM_EXCESS_BASE64 0
+# score SUBJ_ILLEGAL_CHARS 0
+# score MIME_BASE64_TEXT 1.0
+# score TVD_SPACE_RATIO 0