diff --git a/addons/mass_mailing/models/mail_mail.py b/addons/mass_mailing/models/mail_mail.py
index 29837c02040..f4611a3250c 100644
--- a/addons/mass_mailing/models/mail_mail.py
+++ b/addons/mass_mailing/models/mail_mail.py
@@ -62,15 +62,14 @@ class MailMail(osv.Model):
         body = super(MailMail, self).send_get_mail_body(cr, uid, ids, partner=partner, context=context)
         mail = self.browse(cr, uid, ids[0], context=context)
 
-        links_blacklist = ['/unsubscribe_from_list']
-
         if mail.mailing_id and body and mail.statistics_ids:
             for match in re.findall(URL_REGEX, mail.body_html):
-
                 href = match[0]
                 url = match[1]
 
-                if not [s for s in links_blacklist if s in href]:
+                parsed = urlparse.urlparse(url, scheme='http')
+
+                if parsed.scheme.startswith('http') and parsed.path.startswith('/r/'):
                     new_href = href.replace(url, url + '/m/' + str(mail.statistics_ids[0].id))
                     body = body.replace(href, new_href)