diff --git a/addons/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index 415e0355ac8..e2cec821a00 100644
--- a/addons/website_blog/models/website_blog.py
+++ b/addons/website_blog/models/website_blog.py
@@ -4,7 +4,7 @@ from datetime import datetime
 import lxml
 import random
 
-from openerp import tools
+from openerp import api, tools
 from openerp import SUPERUSER_ID
 from openerp.addons.website.models.website import slug
 from openerp.osv import osv, fields
@@ -37,6 +37,20 @@ class Blog(osv.Model):
             BlogPost.write(cr, uid, post_ids, {'active': vals['active']}, context=context)
         return res
 
+    @api.multi
+    def message_post(self, parent_id=False, subtype=None, **kwargs):
+        """ Temporary workaround to avoid spam. If someone replies on a channel
+        through the 'Presentation Published' email, it should be considered as a
+        note as we don't want all channel followers to be notified of this answer. """
+        self.ensure_one()
+        if parent_id:
+            parent_message = self.env['mail.message'].sudo().browse(parent_id)
+            if parent_message.subtype_id and parent_message.subtype_id == self.env.ref('website_blog.mt_blog_blog_published'):
+                if kwargs.get('subtype_id'):
+                    kwargs['subtype_id'] = False
+                subtype = 'mail.mt_note'
+        return super(Blog, self).message_post(parent_id=parent_id, subtype=subtype, **kwargs)
+
     def all_tags(self, cr, uid, ids, min_limit=1, context=None):
         req = """
             SELECT