diff --git a/src/backend/mailbox_manager/admin.py b/src/backend/mailbox_manager/admin.py
index 75f6b8a..71031ce 100644
--- a/src/backend/mailbox_manager/admin.py
+++ b/src/backend/mailbox_manager/admin.py
@@ -25,7 +25,13 @@ class MailDomainAdmin(admin.ModelAdmin):
 class MailDomainAccessAdmin(admin.ModelAdmin):
     """Admin for mail domain accesses model."""
 
-    list_display = ("user", "domain")
+    list_display = (
+        "user",
+        "domain",
+        "role",
+        "created_at",
+        "updated_at",
+    )
 
 
 @admin.register(models.Mailbox)
diff --git a/src/backend/mailbox_manager/enums.py b/src/backend/mailbox_manager/enums.py
index 9afc0df..76218e6 100644
--- a/src/backend/mailbox_manager/enums.py
+++ b/src/backend/mailbox_manager/enums.py
@@ -6,6 +6,14 @@ from django.db import models
 from django.utils.translation import gettext_lazy as _
 
 
+class MailDomainRoleChoices(models.TextChoices):
+    """Defines the possible roles a user can have to access to a mail domain."""
+
+    VIEWER = "viewer", _("Viewer")
+    ADMIN = "administrator", _("Administrator")
+    OWNER = "owner", _("Owner")
+
+
 class MailDomainStatusChoices(models.TextChoices):
     """Defines the possible statuses in which a mail domain can be."""
 
diff --git a/src/backend/mailbox_manager/factories.py b/src/backend/mailbox_manager/factories.py
index 8b876b2..5052549 100644
--- a/src/backend/mailbox_manager/factories.py
+++ b/src/backend/mailbox_manager/factories.py
@@ -56,7 +56,9 @@ class MailDomainAccessFactory(factory.django.DjangoModelFactory):
 
     user = factory.SubFactory(core_factories.UserFactory)
     domain = factory.SubFactory(MailDomainFactory)
-    role = factory.fuzzy.FuzzyChoice([r[0] for r in core_models.RoleChoices.choices])
+    role = factory.fuzzy.FuzzyChoice(
+        [r[0] for r in enums.MailDomainRoleChoices.choices]
+    )
 
 
 class MailboxFactory(factory.django.DjangoModelFactory):
diff --git a/src/backend/mailbox_manager/migrations/0007_alter_maildomainaccess_role.py b/src/backend/mailbox_manager/migrations/0007_alter_maildomainaccess_role.py
new file mode 100644
index 0000000..0ac8a12
--- /dev/null
+++ b/src/backend/mailbox_manager/migrations/0007_alter_maildomainaccess_role.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.6 on 2024-08-02 15:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mailbox_manager', '0006_maildomain_status'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='maildomainaccess',
+            name='role',
+            field=models.CharField(choices=[('viewer', 'Viewer'), ('administrator', 'Administrator'), ('owner', 'Owner')], default='viewer', max_length=20),
+        ),
+    ]
diff --git a/src/backend/mailbox_manager/models.py b/src/backend/mailbox_manager/models.py
index 03bb2ab..de31c8f 100644
--- a/src/backend/mailbox_manager/models.py
+++ b/src/backend/mailbox_manager/models.py
@@ -9,9 +9,9 @@ from django.db import models
 from django.utils.text import slugify
 from django.utils.translation import gettext_lazy as _
 
-from core.models import BaseModel, RoleChoices
+from core.models import BaseModel
 
-from mailbox_manager.enums import MailDomainStatusChoices
+from mailbox_manager.enums import MailDomainRoleChoices, MailDomainStatusChoices
 
 
 class MailDomain(BaseModel):
@@ -57,13 +57,16 @@ class MailDomain(BaseModel):
             except (MailDomainAccess.DoesNotExist, IndexError):
                 role = None
 
-        is_owner_or_admin = role in [RoleChoices.OWNER, RoleChoices.ADMIN]
+        is_owner_or_admin = role in [
+            MailDomainRoleChoices.OWNER,
+            MailDomainRoleChoices.ADMIN,
+        ]
 
         return {
             "get": bool(role),
             "patch": is_owner_or_admin,
             "put": is_owner_or_admin,
-            "delete": role == RoleChoices.OWNER,
+            "delete": role == MailDomainRoleChoices.OWNER,
             "manage_accesses": is_owner_or_admin,
         }
 
@@ -86,7 +89,9 @@ class MailDomainAccess(BaseModel):
         blank=False,
     )
     role = models.CharField(
-        max_length=20, choices=RoleChoices.choices, default=RoleChoices.MEMBER
+        max_length=20,
+        choices=MailDomainRoleChoices.choices,
+        default=MailDomainRoleChoices.VIEWER,
     )
 
     class Meta:
diff --git a/src/backend/mailbox_manager/tests/api/mail_domain/test_api_mail_domains_list.py b/src/backend/mailbox_manager/tests/api/mail_domain/test_api_mail_domains_list.py
index 96451af..e5d1c7b 100644
--- a/src/backend/mailbox_manager/tests/api/mail_domain/test_api_mail_domains_list.py
+++ b/src/backend/mailbox_manager/tests/api/mail_domain/test_api_mail_domains_list.py
@@ -41,8 +41,8 @@ def test_api_mail_domains__list_authenticated():
         str(access.domain.id)
         for access in factories.MailDomainAccessFactory.create_batch(5, user=user)
     }
-    factories.MailDomainFactory.create_batch(2)  # Other teams
-    factories.MailDomainAccessFactory.create_batch(2)  # Other teams and accesses
+    factories.MailDomainFactory.create_batch(2)  # Other domains
+    factories.MailDomainAccessFactory.create_batch(2)  # Other domains and accesses
 
     response = client.get(
         "/api/v1.0/mail-domains/",