diff --git a/app/assets/stylesheets/new_design/user_signup.scss b/app/assets/stylesheets/new_design/user_signup.scss
new file mode 100644
index 000000000..4592e34b0
--- /dev/null
+++ b/app/assets/stylesheets/new_design/user_signup.scss
@@ -0,0 +1,10 @@
+@import "colors";
+@import "constants";
+
+.suspect-email {
+  background-color: $orange-bg;
+  font-weight: bold;
+  text-align: center;
+  padding: $default-padding;
+}
+
diff --git a/app/views/users/registrations/new.html.haml b/app/views/users/registrations/new.html.haml
index d21b184be..f474b6661 100644
--- a/app/views/users/registrations/new.html.haml
+++ b/app/views/users/registrations/new.html.haml
@@ -5,6 +5,12 @@
   = form_for resource, url: user_registration_path, html: { class: "form" } do |f|
     %h1 Créez-vous un compte demarches-simplifiees.fr
 
+    .suspect-email
+      .question Vouliez-vous dire blabla@gmail.com ?
+      .answer
+        .button Oui
+        .button Non
+
     = f.label :email, "Email"
     = f.text_field :email, autofocus: true, placeholder: "Votre adresse email"