diff --git a/addons/mail/controllers/main.py b/addons/mail/controllers/main.py
index 7fd5592fa66..4fe78246ec5 100644
--- a/addons/mail/controllers/main.py
+++ b/addons/mail/controllers/main.py
@@ -66,10 +66,15 @@ class MailController(http.Controller):
             # record does not seem to exist -> redirect to login
             return cls._redirect_to_messaging()
         record_action = record_sudo.get_access_action()
+        record_target_type = record_action.pop('target_type', 'dummy')
 
-        # the record has an URL redirection: use it directly
+        # the record has a public URL redirection: use it directly
         if record_action['type'] == 'ir.actions.act_url':
-            return werkzeug.utils.redirect(record_action['url'])
+            if record_target_type == 'public' and not uid:
+                return werkzeug.utils.redirect(record_action['url'])
+            else:
+                # user connected or non-public URL, handled below
+                pass
         # other choice: act_window (no support of anything else currently)
         elif not record_action['type'] == 'ir.actions.act_window':
             return cls._redirect_to_messaging()
@@ -83,6 +88,9 @@ class MailController(http.Controller):
             except AccessError:
                 return cls._redirect_to_messaging()
 
+        if record_action['type'] == 'ir.actions.act_url':
+            return werkzeug.utils.redirect(record_action['url'])
+
         url_params = {
             'view_type': record_action['view_type'],
             'model': model,
diff --git a/addons/website_blog/models/website_blog.py b/addons/website_blog/models/website_blog.py
index d2af0807e6e..60ef917b695 100644
--- a/addons/website_blog/models/website_blog.py
+++ b/addons/website_blog/models/website_blog.py
@@ -226,6 +226,7 @@ class BlogPost(models.Model):
             'type': 'ir.actions.act_url',
             'url': '/blog/%s/post/%s' % (self.blog_id.id, self.id),
             'target': 'self',
+            'target_type': 'public',
             'res_id': self.id,
         }
 
diff --git a/addons/website_forum/models/forum.py b/addons/website_forum/models/forum.py
index 0820b67c80f..478c211634a 100644
--- a/addons/website_forum/models/forum.py
+++ b/addons/website_forum/models/forum.py
@@ -786,6 +786,7 @@ class Post(models.Model):
             'type': 'ir.actions.act_url',
             'url': '/forum/%s/question/%s' % (self.forum_id.id, self.id),
             'target': 'self',
+            'target_type': 'public',
             'res_id': self.id,
         }
 
diff --git a/addons/website_slides/models/slides.py b/addons/website_slides/models/slides.py
index 6ac8c302754..363a28a7690 100644
--- a/addons/website_slides/models/slides.py
+++ b/addons/website_slides/models/slides.py
@@ -450,6 +450,7 @@ class Slide(models.Model):
                 'type': 'ir.actions.act_url',
                 'url': '%s' % self.website_url,
                 'target': 'self',
+                'target_type': 'public',
                 'res_id': self.id,
             }
         return super(Slide, self).get_access_action()