diff --git a/README.md b/README.md
index 616e7995e..81bddea77 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Vous pouvez utiliser le compte de test suivant :
 - identifiant : user@yopmail.com
 - mot de passe : user@yopmail.com
 
-Cette plateforme utilise de vraies données ouvertes pour les données des organisations.
+Cette plateforme utilise de vraies données ouvertes de l'INSEE pour les données des organisations.
 
 Elle n’est cependant connectée à aucun environment de production.
 
@@ -26,6 +26,12 @@ Ainsi, vous pouvez vous créer n’importe quel compte utilisateur en entrant n
 
 À noter que les emails reçus sur les adresses en yopmail.com sont accessibles sur : http://yopmail.com/.
 
+Voici 3 scénarios que vous pouvez tester sur cet environnement :
+
+- entreprise unipersonnelle : créer un compte avec une adresse email jetable, puis utiliser le SIRET d'une organisation unipersonnelle ;
+- petite mairie : créer un compte avec une adresse email qui n'ait pas comme nom de domaine `yopmail.com`, utiliser le siret d'une collectivité de moins de 50 employés, se connecter en restituant le code reçu à `mairie@yopmail.com` ;
+- parrainage : créer un compte avec une adresse email `yopmail.com`, sélectionner l'organisation Direction Interministérielle du Numérique, sélectionner un parrain parmi les utilisateurs proposés ;
+
 ## 🖱️ Installer le bouton de connexion MonComptePro sur votre service en ligne
 
 ### Les étapes de l’installation
diff --git a/scripts/fixtures.sql b/scripts/fixtures.sql
index f108af246..d46028b65 100644
--- a/scripts/fixtures.sql
+++ b/scripts/fixtures.sql
@@ -112,53 +112,54 @@ SELECT setval(
   );
 
 INSERT INTO organizations
-  (id, siret, authorized_email_domains, created_at, updated_at)
+  (id, siret, verified_email_domains, authorized_email_domains, created_at, updated_at)
 VALUES
-  (1, '21920023500014', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (2, '13002526500013', '{"beta.gouv.fr"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (3, '21130055300016', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (4, '21690123100011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (5, '21310555400017', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (6, '21330063500017', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (7, '21060088800015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (8, '21440109300015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (9, '21510421700017', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (10, '21340172201787', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (11, '21670482500019', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (12, '21350238800019', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (13, '21760351300011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (14, '21830137200015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (15, '21590350100017', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (16, '21420218600018', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (17, '21250056500016', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (18, '20006340200016', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (19, '21380185500015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (20, '21740056300011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (21, '21800019800018', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (22, '21370261600011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (23, '21300189400012', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (24, '21450234600015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (25, '21720181300011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (26, '20006541500016', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (27, '21680224900013', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (28, '21490007800012', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (29, '20005684400018', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (30, '21930048000015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (31, '21570463600012', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (32, '20005686900015', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (33, '21100374400011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (34, '21590599300014', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (35, '21290019500018', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (36, '21660136900012', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (37, '21930001900011', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (38, '21950018800012', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (39, '21930066200018', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (40, '21950127700897', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
-  (41, '21590512600011', '{"moncourrier.fr.nf"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
+  (1, '21920023500014', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (2, '13002526500013', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (3, '21130055300016', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (4, '21690123100011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (5, '21310555400017', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (6, '21330063500017', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (7, '21060088800015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (8, '21440109300015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (9, '21510421700017', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (10, '21340172201787', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (11, '21670482500019', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (12, '21350238800019', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (13, '21760351300011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (14, '21830137200015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (15, '21590350100017', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (16, '21420218600018', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (17, '21250056500016', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (18, '20006340200016', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (19, '21380185500015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (20, '21740056300011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (21, '21800019800018', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (22, '21370261600011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (23, '21300189400012', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (24, '21450234600015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (25, '21720181300011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (26, '20006541500016', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (27, '21680224900013', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (28, '21490007800012', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (29, '20005684400018', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (30, '21930048000015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (31, '21570463600012', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (32, '20005686900015', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (33, '21100374400011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (34, '21590599300014', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (35, '21290019500018', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (36, '21660136900012', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (37, '21930001900011', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (38, '21950018800012', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (39, '21930066200018', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (40, '21950127700897', '{}', '{"yopmail.com"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (41, '21590512600011', '{"moncourrier.fr.nf"}', '{"moncourrier.fr.nf"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
+  (42, '81403721400016', '{"yeswehack.ninja"}', '{"yeswehack.ninja"}', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
 ON CONFLICT (id)
   DO UPDATE
-  SET (siret, authorized_email_domains, created_at, updated_at)
-    = (EXCLUDED.siret, EXCLUDED.authorized_email_domains, EXCLUDED.created_at, EXCLUDED.updated_at);
+  SET (siret, verified_email_domains, authorized_email_domains, created_at, updated_at)
+    = (EXCLUDED.siret, EXCLUDED.verified_email_domains, EXCLUDED.authorized_email_domains, EXCLUDED.created_at, EXCLUDED.updated_at);
 
 SELECT setval(
     'organizations_id_seq',