diff --git a/addons/mail/mail_group.py b/addons/mail/mail_group.py
index e171c9cc14c..50f636c3c5b 100644
--- a/addons/mail/mail_group.py
+++ b/addons/mail/mail_group.py
@@ -134,7 +134,10 @@ class mail_group(osv.Model):
             params = {
                 'search_view_id': search_ref and search_ref[1] or False,
                 'domain': [('model', '=', 'mail.group'), ('res_id', '=', mail_group_id)],
-                'context': {'default_model': 'mail.group', 'default_res_id': mail_group_id, 'search_default_message_unread': True},
+                'context': {'default_model': 'mail.group',
+                            'default_res_id': mail_group_id,
+                            'search_default_message_unread': True,
+                            'mail_read_keep_unread':True},
                 'res_model': 'mail.message',
                 'thread_level': 1,
                 'header_description': vals.get('description'),
diff --git a/addons/mail/mail_message.py b/addons/mail/mail_message.py
index d545f3782b4..831e1e4b162 100644
--- a/addons/mail/mail_message.py
+++ b/addons/mail/mail_message.py
@@ -501,6 +501,11 @@ class mail_message(osv.Model):
         if ids is None:
             ids = self.search(cr, uid, domain, context=context, limit=limit)
 
+        # if requested: mark messages as read
+        if context and context.has_key('mail_read_set_read'):
+            notif_ids = notif_obj.search(cr, uid, [('message_id', '=', msg.id)], context=context)
+            notif_obj.write(cr, uid, notif_ids, {'read': True}, context=context)
+
         # fetch parent if threaded, sort messages
         for message in self.browse(cr, uid, ids, context=context):
             message_id = message.id
diff --git a/addons/mail/tests/test_message_read.py b/addons/mail/tests/test_message_read.py
index ebb39c92a02..46dd29a5431 100644
--- a/addons/mail/tests/test_message_read.py
+++ b/addons/mail/tests/test_message_read.py
@@ -80,6 +80,14 @@ class test_mail_access_rights(TestMailBase):
             elif msg.get('type') == 'expandable':
                 new_msg_exp = msg
 
+        # #check notification For message readable or unread.
+        # notif_msg1_ids1 = self.mail_notification.search(cr, uid, [('partner_id', '=', user_bert.partner_id.id),('message_id', '=', message1.id)], context=context)
+        # notif_data1 = self.mail_notification.read(cr, uid, notif_msg1_ids1, ['read'])[0]['read']
+        # # Test: Message1 are marked as read.
+        # self.assertTrue(notif_data1, 'Message1 are set as read for the user Bert that read it')
+        # #Pass key in context for unread message..
+        # context.update({'default_model': 'mail.group', 'default_res_id': [self.group_pigs_id], 'mail_keep_unread': True})
+
         # Do: fetch new messages in first thread, domain from expandable
         self.assertIsNotNone(new_msg_exp, 'message_read on last Pigs message should have returned a new messages expandable')
         domain = new_msg_exp.get('domain', [])