=== modified file 'base_action_rule/base_action_rule.py'
--- base_action_rule/base_action_rule.py	2011-12-27 09:27:00 +0000
+++ base_action_rule/base_action_rule.py	2012-01-24 13:29:08 +0000
@@ -234,7 +234,6 @@
         rule_pool = self.pool.get('base.action.rule')
         rule_ids = rule_pool.search(cr, uid, [], context=context)
         self._register_hook(cr, uid, rule_ids, context=context)
-
         rules = self.browse(cr, uid, rule_ids, context=context)
         for rule in rules:
             model = rule.model_id.model
@@ -369,8 +368,8 @@
         reg_name = action.regex_name
         result_name = True
         if reg_name:
-            ptrn = re.compile(str(reg_name))
-            _result = ptrn.search(str(obj.name))
+            ptrn = re.compile(reg_name)
+            _result = ptrn.search(obj.name)
             if not _result:
                 result_name = False
         regex_n = not reg_name or result_name
@@ -460,7 +459,6 @@
         context.update({'action': True})
         if not scrit:
             scrit = []
-
         for action in self.browse(cr, uid, ids, context=context):
             for obj in objects:
                 if self.do_check(cr, uid, action, obj, context=context):

=== modified file 'mail/mail_message.py'
--- mail/mail_message.py	2011-12-19 16:54:40 +0000
+++ mail/mail_message.py	2012-01-24 13:14:32 +0000
@@ -453,7 +453,9 @@
 
             msg['body_text'] = body
         msg['attachments'] = attachments
-
+        # For encoding trouble: encode the string in unicode, ignoring unkown byte
+        if 'body_html' in msg and isinstance(msg['body_html'],str):
+            msg['body_html'] = unicode(msg['body_html'], errors='ignore')
         # for backwards compatibility:
         msg['body'] = msg['body_text']
         msg['sub_type'] = msg['subtype'] or 'plain'