diff --git a/config/settings/base.py b/config/settings/base.py
index 15a5a00a..1e28b4df 100644
--- a/config/settings/base.py
+++ b/config/settings/base.py
@@ -357,13 +357,14 @@
 MATOMO_SITE_ID = int(os.getenv("MATOMO_SITE_ID", "1"))
 MATOMO_AUTH_TOKEN = os.getenv("MATOMO_AUTH_TOKEN", None)
 
-# SENDINBLUE
+# SENDINBLUE / BREVO
 # ---------------------------------------
-SIB_URL = os.getenv("SIB_URL", "http://test.com")
-SIB_SMTP_URL = os.path.join(SIB_URL, "smtp/email")
-SIB_CONTACTS_URL = os.path.join(SIB_URL, "contacts/import")
+SIB_URL = os.getenv("SIB_URL")
+if SIB_URL:
+    SIB_SMTP_URL = os.path.join(SIB_URL, "smtp/email")
+    SIB_CONTACTS_URL = os.path.join(SIB_URL, "contacts/import")
 
-SIB_API_KEY = os.getenv("SIB_API_KEY", "set-sib-api-key")
+SIB_API_KEY = os.getenv("SIB_API_KEY")
 DEFAULT_FROM_EMAIL = os.getenv("DEFAULT_FROM_EMAIL", "noreply@inclusion.gouv.fr")
 
 SIB_MAGIC_LINK_TEMPLATE = 31
diff --git a/config/settings/dev.py b/config/settings/dev.py
index 94f751e3..88b0e69e 100644
--- a/config/settings/dev.py
+++ b/config/settings/dev.py
@@ -1,4 +1,5 @@
 # Enable django-debug-toolbar with Docker.
+import os
 import socket
 
 from lacommunaute.utils.enums import Environment
@@ -15,6 +16,12 @@
 ENVIRONMENT = Environment.DEV
 
 ALLOWED_HOSTS = ["localhost", "0.0.0.0", "127.0.0.1", "192.168.0.1"]
+# SENDINBLUE / BREVO
+# ---------------------------------------
+SIB_URL = os.getenv("SIB_URL", "https://test.com")
+SIB_SMTP_URL = os.path.join(SIB_URL, "smtp/email")
+SIB_CONTACTS_URL = os.path.join(SIB_URL, "contacts/import")
+SIB_API_KEY = os.getenv("SIB_API_KEY", "key_to_be_set")
 
 # Security.
 # ------------------------------------------------------------------------------
diff --git a/lacommunaute/notification/tests/tests_emails.py b/lacommunaute/notification/tests/tests_emails.py
index fc058476..ea9c52cc 100644
--- a/lacommunaute/notification/tests/tests_emails.py
+++ b/lacommunaute/notification/tests/tests_emails.py
@@ -2,10 +2,10 @@
 
 import httpx
 import respx
+from django.conf import settings
 from django.test import TestCase
 from faker import Faker
 
-from config.settings.base import DEFAULT_FROM_EMAIL, SIB_CONTACTS_URL, SIB_SMTP_URL
 from lacommunaute.notification.emails import bulk_send_user_to_list, send_email
 from lacommunaute.notification.models import EmailSentTrack
 from lacommunaute.users.factories import UserFactory
@@ -17,13 +17,13 @@
 class SendEmailTestCase(TestCase):
     @classmethod
     def setUpTestData(cls):
-        respx.post(SIB_SMTP_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
+        respx.post(settings.SIB_SMTP_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
         cls.to = [{"email": faker.email()}]
         cls.params = faker.text()
         cls.template_id = faker.random_int()
         cls.kind = "first_reply"
         cls.payload = {
-            "sender": {"name": "La Communauté", "email": DEFAULT_FROM_EMAIL},
+            "sender": {"name": "La Communauté", "email": settings.DEFAULT_FROM_EMAIL},
             "to": cls.to,
             "params": cls.params,
             "templateId": cls.template_id,
@@ -52,7 +52,7 @@ def test_send_email_with_bcc(self):
 class BulkSendUserToListTestCase(TestCase):
     @classmethod
     def setUpTestData(cls):
-        respx.post(SIB_CONTACTS_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
+        respx.post(settings.SIB_CONTACTS_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
 
     @respx.mock
     def test_bulk_send_user_to_list(self):
diff --git a/lacommunaute/notification/tests/tests_tasks.py b/lacommunaute/notification/tests/tests_tasks.py
index 3ddee86d..24ed8429 100644
--- a/lacommunaute/notification/tests/tests_tasks.py
+++ b/lacommunaute/notification/tests/tests_tasks.py
@@ -8,13 +8,6 @@
 from django.urls import reverse
 from faker import Faker
 
-from config.settings.base import (
-    DEFAULT_FROM_EMAIL,
-    SIB_CONTACTS_URL,
-    SIB_ONBOARDING_LIST,
-    SIB_SMTP_URL,
-    SIB_UNANSWERED_QUESTION_TEMPLATE,
-)
 from lacommunaute.forum_conversation.factories import (
     TopicFactory,
 )
@@ -37,7 +30,7 @@
 @pytest.fixture(name="mock_respx_post_to_sib_smtp_url")
 def mock_respx_post_to_sib_smtp_url_fixture():
     with respx.mock:
-        respx.post(SIB_SMTP_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
+        respx.post(settings.SIB_SMTP_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
         yield
 
 
@@ -115,7 +108,7 @@ def test_num_queries(self, db, django_assert_num_queries, mock_respx_post_to_sib
 class AddUserToListWhenRegister(TestCase):
     def setUp(self):
         super().setUp()
-        respx.post(SIB_CONTACTS_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
+        respx.post(settings.SIB_CONTACTS_URL).mock(return_value=httpx.Response(200, json={"message": "OK"}))
 
     @respx.mock
     def test_add_user_to_list_when_register(self):
@@ -128,7 +121,7 @@ def test_add_user_to_list_when_register(self):
             ],
             "emailBlacklist": False,
             "smsBlacklist": False,
-            "listIds": [SIB_ONBOARDING_LIST],
+            "listIds": [settings.SIB_ONBOARDING_LIST],
             "updateExistingContacts": True,
             "emptyContactsAttributes": True,
         }
@@ -163,10 +156,10 @@ def payload_for_staff_user_to_notify_on_unanswered_topics_fixture():
     )
     params = {"count": 1, "link": "".join(url)}
     payload = {
-        "sender": {"name": "La Communauté", "email": DEFAULT_FROM_EMAIL},
+        "sender": {"name": "La Communauté", "email": settings.DEFAULT_FROM_EMAIL},
         "to": to,
         "params": params,
-        "templateId": SIB_UNANSWERED_QUESTION_TEMPLATE,
+        "templateId": settings.SIB_UNANSWERED_QUESTION_TEMPLATE,
     }
     yield payload