diff --git a/djangocms_forms/forms.py b/djangocms_forms/forms.py
index c51a4c2..7ce8e5e 100644
--- a/djangocms_forms/forms.py
+++ b/djangocms_forms/forms.py
@@ -321,10 +321,12 @@ class FormBuilder(forms.Form):
 
             # Simple antispam
             if data['name'] == 'phone' and data['value'] in ['4955331826', '123456']:
+                request.session[form_slug] = None
                 return
 
-            # if data['name'] == 'message' and data['value']:
-            #     return
+            if data['name'] == 'message' and data['value']:
+                request.session[form_slug] = None
+                return
 
         # Some contacts
         if not send or len(contacts) == 0: