diff --git a/src/backend/mailbox_manager/models.py b/src/backend/mailbox_manager/models.py
index d2905fc..185cf25 100644
--- a/src/backend/mailbox_manager/models.py
+++ b/src/backend/mailbox_manager/models.py
@@ -41,6 +41,7 @@ class MailDomain(BaseModel):
         db_table = "people_mail_domain"
         verbose_name = _("Mail domain")
         verbose_name_plural = _("Mail domains")
+        ordering = ["-created_at"]
 
     def __str__(self):
         return self.name
@@ -109,6 +110,7 @@ class MailDomainAccess(BaseModel):
         verbose_name = _("User/mail domain relation")
         verbose_name_plural = _("User/mail domain relations")
         unique_together = ("user", "domain")
+        ordering = ["-created_at"]
 
     def __str__(self):
         return f"Access of user {self.user} on domain {self.domain}."
@@ -206,6 +208,7 @@ class Mailbox(BaseModel):
         verbose_name = _("Mailbox")
         verbose_name_plural = _("Mailboxes")
         unique_together = ("local_part", "domain")
+        ordering = ["-created_at"]
 
     def __str__(self):
         return f"{self.local_part!s}@{self.domain.name:s}"
diff --git a/src/backend/mailbox_manager/tests/test_utils_dimail_client.py b/src/backend/mailbox_manager/tests/test_utils_dimail_client.py
index 445db3f..3e0db8f 100644
--- a/src/backend/mailbox_manager/tests/test_utils_dimail_client.py
+++ b/src/backend/mailbox_manager/tests/test_utils_dimail_client.py
@@ -398,7 +398,7 @@ def test_dimail__enable_pending_mailboxes(caplog):
     )
     assert (
         caplog.records[2].message
-        == f"Information for mailbox mock@{domain.name} sent to {mailbox1.secondary_email}."
+        == f"Information for mailbox mock@{domain.name} sent to {mailbox2.secondary_email}."
     )
     assert (
         caplog.records[4].message
@@ -406,5 +406,5 @@ def test_dimail__enable_pending_mailboxes(caplog):
     )
     assert (
         caplog.records[5].message
-        == f"Information for mailbox mock@{domain.name} sent to {mailbox2.secondary_email}."
+        == f"Information for mailbox mock@{domain.name} sent to {mailbox1.secondary_email}."
     )