diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/index.ts b/src/frontend/apps/desk/src/features/mail-domains/components/panel/index.ts
deleted file mode 100644
index 8960d84..0000000
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './Panel';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalAddMailDomain.test.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/__tests__/ModalAddMailDomain.test.tsx
similarity index 99%
rename from src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalAddMailDomain.test.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/__tests__/ModalAddMailDomain.test.tsx
index e585ba9..f09c615 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalAddMailDomain.test.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/__tests__/ModalAddMailDomain.test.tsx
@@ -5,7 +5,7 @@ import React from 'react';
 
 import { AppWrapper } from '@/tests/utils';
 
-import { ModalAddMailDomain } from '../ModalAddMailDomain';
+import { ModalAddMailDomain } from '../components';
 
 const mockPush = jest.fn();
 jest.mock('next/navigation', () => ({
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/index.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/api/index.tsx
similarity index 60%
rename from src/frontend/apps/desk/src/features/mail-domains/api/index.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/api/index.tsx
index 61a928c..dc54b8a 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/api/index.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/api/index.tsx
@@ -1,5 +1,3 @@
 export * from './useMailDomains';
 export * from './useMailDomain';
-export * from './useCreateMailbox';
-export * from './useMailboxes';
 export * from './useAddMailDomain';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/useAddMailDomain.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useAddMailDomain.tsx
similarity index 95%
rename from src/frontend/apps/desk/src/features/mail-domains/api/useAddMailDomain.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/api/useAddMailDomain.tsx
index 60c81c5..c76d3b6 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/api/useAddMailDomain.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useAddMailDomain.tsx
@@ -1,7 +1,8 @@
 import { useMutation, useQueryClient } from '@tanstack/react-query';
 
 import { APIError, errorCauses, fetchAPI } from '@/api';
-import { MailDomain } from '@/features/mail-domains';
+
+import { MailDomain } from '../types';
 
 import { KEY_LIST_MAIL_DOMAIN } from './useMailDomains';
 
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/useMailDomain.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomain.tsx
similarity index 95%
rename from src/frontend/apps/desk/src/features/mail-domains/api/useMailDomain.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomain.tsx
index 95ef86a..a07437f 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/api/useMailDomain.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomain.tsx
@@ -25,7 +25,7 @@ export const getMailDomain = async ({
   return response.json() as Promise<MailDomainResponse>;
 };
 
-const KEY_MAIL_DOMAIN = 'mail-domain';
+export const KEY_MAIL_DOMAIN = 'mail-domain';
 
 export function useMailDomain(
   param: MailDomainParams,
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/useMailDomains.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomains.tsx
similarity index 96%
rename from src/frontend/apps/desk/src/features/mail-domains/api/useMailDomains.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomains.tsx
index 08ca730..0a491b9 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/api/useMailDomains.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/api/useMailDomains.tsx
@@ -6,7 +6,8 @@ import {
 } from '@tanstack/react-query';
 
 import { APIError, APIList, errorCauses, fetchAPI } from '@/api';
-import { MailDomain } from '@/features/mail-domains/types';
+
+import { MailDomain } from '../types';
 
 type MailDomainsResponse = APIList<MailDomain>;
 
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsLayout.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/MailDomainsLayout.tsx
similarity index 89%
rename from src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsLayout.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/MailDomainsLayout.tsx
index 7d1e14a..b68405e 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsLayout.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/MailDomainsLayout.tsx
@@ -3,7 +3,8 @@ import { PropsWithChildren } from 'react';
 import { Box } from '@/components';
 import { MainLayout } from '@/core';
 import { useCunninghamTheme } from '@/cunningham';
-import { Panel } from '@/features/mail-domains/components/panel';
+
+import { Panel } from './panel';
 
 export function MailDomainsLayout({ children }: PropsWithChildren) {
   const { colorsTokens } = useCunninghamTheme();
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/ModalAddMailDomain.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/ModalAddMailDomain.tsx
similarity index 97%
rename from src/frontend/apps/desk/src/features/mail-domains/components/ModalAddMailDomain.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/ModalAddMailDomain.tsx
index f896791..62f07c4 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/ModalAddMailDomain.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/ModalAddMailDomain.tsx
@@ -9,9 +9,9 @@ import { z } from 'zod';
 import { parseAPIError } from '@/api/parseAPIError';
 import { Box, Text, TextErrors } from '@/components';
 import { Modal } from '@/components/Modal';
-import { useAddMailDomain } from '@/features/mail-domains';
 
-import { default as MailDomainsLogo } from '../assets/mail-domains-logo.svg';
+import { default as MailDomainsLogo } from '../../assets/mail-domains-logo.svg';
+import { useAddMailDomain } from '../api';
 
 const FORM_ID = 'form-add-mail-domain';
 
diff --git a/src/frontend/apps/desk/src/features/mail-domains/domains/components/index.ts b/src/frontend/apps/desk/src/features/mail-domains/domains/components/index.ts
new file mode 100644
index 0000000..18a8a49
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/index.ts
@@ -0,0 +1,3 @@
+export * from './ModalAddMailDomain';
+export * from './MailDomainsLayout';
+export * from './panel';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/ItemList.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/ItemList.tsx
similarity index 91%
rename from src/frontend/apps/desk/src/features/mail-domains/components/panel/ItemList.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/ItemList.tsx
index 184559f..4344718 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/ItemList.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/ItemList.tsx
@@ -4,9 +4,11 @@ import { useTranslation } from 'react-i18next';
 
 import { Box, Text } from '@/components';
 import { InfiniteScroll } from '@/components/InfiniteScroll';
-import { MailDomain } from '@/features/mail-domains';
-import { useMailDomains } from '@/features/mail-domains/api/useMailDomains';
-import { useMailDomainsStore } from '@/features/mail-domains/store/useMailDomainsStore';
+import {
+  MailDomain,
+  useMailDomains,
+  useMailDomainsStore,
+} from '@/features/mail-domains/domains';
 
 import { PanelMailDomains } from './PanelItem';
 
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/Panel.tsx
similarity index 98%
rename from src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/Panel.tsx
index 44e67d2..2ce61f6 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/Panel.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/Panel.tsx
@@ -3,7 +3,7 @@ import { useTranslation } from 'react-i18next';
 
 import IconOpenClose from '@/assets/icons/icon-open-close.svg';
 import { Box, BoxButton, Text } from '@/components';
-import { useConfigStore } from '@/core/';
+import { useConfigStore } from '@/core';
 import { useCunninghamTheme } from '@/cunningham';
 
 import { ItemList } from './ItemList';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelActions.tsx
similarity index 90%
rename from src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelActions.tsx
index d04b632..2edb32e 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelActions.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelActions.tsx
@@ -5,8 +5,10 @@ import IconAdd from '@/assets/icons/icon-add.svg';
 import IconSort from '@/assets/icons/icon-sort.svg';
 import { Box, BoxButton, StyledLink, Text } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
-import { EnumMailDomainsOrdering } from '@/features/mail-domains';
-import { useMailDomainsStore } from '@/features/mail-domains/store/useMailDomainsStore';
+import {
+  EnumMailDomainsOrdering,
+  useMailDomainsStore,
+} from '@/features/mail-domains/domains';
 
 export const PanelActions = () => {
   const { t } = useTranslation();
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelItem.tsx
similarity index 98%
rename from src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelItem.tsx
index 1065ce4..4f255e8 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/panel/PanelItem.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/PanelItem.tsx
@@ -4,9 +4,10 @@ import { useTranslation } from 'react-i18next';
 
 import { Box, StyledLink, Text } from '@/components';
 import { useCunninghamTheme } from '@/cunningham';
-import { MailDomain } from '@/features/mail-domains';
 import IconMailDomains from '@/features/mail-domains/assets/icon-mail-domains.svg';
 
+import { MailDomain } from '../../index';
+
 interface MailDomainProps {
   mailDomain: MailDomain;
 }
diff --git a/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/index.ts b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/index.ts
new file mode 100644
index 0000000..63813bb
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/components/panel/index.ts
@@ -0,0 +1,4 @@
+export * from './Panel';
+export * from './ItemList';
+export * from './PanelActions';
+export * from './PanelItem';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/index.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/index.tsx
similarity index 100%
rename from src/frontend/apps/desk/src/features/mail-domains/index.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/index.tsx
index a042235..86ad49e 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/index.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/index.tsx
@@ -1,4 +1,4 @@
 export * from './components';
-export * from './types';
 export * from './api';
 export * from './store';
+export * from './types';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/store/index.ts b/src/frontend/apps/desk/src/features/mail-domains/domains/store/index.ts
similarity index 100%
rename from src/frontend/apps/desk/src/features/mail-domains/store/index.ts
rename to src/frontend/apps/desk/src/features/mail-domains/domains/store/index.ts
diff --git a/src/frontend/apps/desk/src/features/mail-domains/store/useMailDomainsStore.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/store/useMailDomainsStore.tsx
similarity index 86%
rename from src/frontend/apps/desk/src/features/mail-domains/store/useMailDomainsStore.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/store/useMailDomainsStore.tsx
index dc6e195..0b27cd2 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/store/useMailDomainsStore.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/store/useMailDomainsStore.tsx
@@ -1,6 +1,6 @@
 import { create } from 'zustand';
 
-import { EnumMailDomainsOrdering } from '../api/useMailDomains';
+import { EnumMailDomainsOrdering } from '@/features/mail-domains/domains/api';
 
 interface MailDomainsStore {
   ordering: EnumMailDomainsOrdering;
diff --git a/src/frontend/apps/desk/src/features/mail-domains/types.tsx b/src/frontend/apps/desk/src/features/mail-domains/domains/types.ts
similarity index 71%
rename from src/frontend/apps/desk/src/features/mail-domains/types.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/domains/types.ts
index 039c57d..13b9131 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/types.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/domains/types.ts
@@ -1,5 +1,4 @@
 import { UUID } from 'crypto';
-
 export interface MailDomain {
   id: UUID;
   name: string;
@@ -17,10 +16,8 @@ export interface MailDomain {
   };
 }
 
-export interface MailDomainMailbox {
-  id: UUID;
-  local_part: string;
-  first_name: string;
-  last_name: string;
-  secondary_email: string;
+export enum Role {
+  ADMIN = 'administrator',
+  OWNER = 'owner',
+  VIEWER = 'viewer',
 }
diff --git a/src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/index.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/index.tsx
new file mode 100644
index 0000000..f394a92
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/index.tsx
@@ -0,0 +1,2 @@
+export * from './useCreateMailbox';
+export * from './useMailboxes';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/useCreateMailbox.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/useCreateMailbox.tsx
similarity index 100%
rename from src/frontend/apps/desk/src/features/mail-domains/api/useCreateMailbox.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/useCreateMailbox.tsx
diff --git a/src/frontend/apps/desk/src/features/mail-domains/api/useMailboxes.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/useMailboxes.tsx
similarity index 100%
rename from src/frontend/apps/desk/src/features/mail-domains/api/useMailboxes.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/api/useMailboxes.tsx
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/MailDomainsContent.tsx
similarity index 84%
rename from src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/MailDomainsContent.tsx
index 186c2a4..71edf21 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/MailDomainsContent.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/MailDomainsContent.tsx
@@ -9,17 +9,18 @@ import {
   VariantType,
   usePagination,
 } from '@openfun/cunningham-react';
+import { useRouter } from 'next/navigation';
 import React, { useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import { Box, Card, Text, TextErrors, TextStyled } from '@/components';
+import { ModalCreateMailbox } from '@/features/mail-domains/mailboxes';
 
+import { default as MailDomainsLogo } from '../../assets/mail-domains-logo.svg';
+import { PAGE_SIZE } from '../../conf';
+import { MailDomain } from '../../domains/types';
 import { useMailboxes } from '../api/useMailboxes';
-import { default as MailDomainsLogo } from '../assets/mail-domains-logo.svg';
-import { PAGE_SIZE } from '../conf';
-import { MailDomain, MailDomainMailbox } from '../types';
-
-import { ModalCreateMailbox } from './ModalCreateMailbox';
+import { MailDomainMailbox } from '../types';
 
 export type ViewMailbox = {
   name: string;
@@ -102,6 +103,7 @@ export function MailDomainsContent({ mailDomain }: { mailDomain: MailDomain }) {
         $padding={{ bottom: 'small' }}
         $margin={{ all: 'big', top: 'none' }}
         $overflow="auto"
+        aria-label={t('Mailboxes list card')}
       >
         {error && <TextErrors causes={error.cause} />}
 
@@ -151,6 +153,7 @@ const TopBanner = ({
   mailDomain: MailDomain;
   showMailBoxCreationForm: (value: boolean) => void;
 }) => {
+  const router = useRouter();
   const { t } = useTranslation();
 
   return (
@@ -165,7 +168,7 @@ const TopBanner = ({
         $gap="2.25rem"
         $justify="space-between"
       >
-        <Box $direction="row" $margin="none" $gap="2.25rem">
+        <Box $direction="row" $margin="none" $gap="0.5rem">
           <MailDomainsLogo aria-hidden="true" />
           <Text $margin="none" as="h3" $size="h3">
             {mailDomain?.name}
@@ -176,9 +179,22 @@ const TopBanner = ({
       <Box $direction="row" $justify="space-between">
         <AlertStatus status={mailDomain.status} />
       </Box>
-      {mailDomain?.abilities.post && (
-        <Box $direction="row-reverse">
-          <Box $display="inline">
+      <Box $direction="row" $justify="flex-end">
+        <Box $display="flex" $direction="row" $gap="0.5rem">
+          {mailDomain?.abilities?.manage_accesses && (
+            <Button
+              color="tertiary"
+              aria-label={t('Manage {{name}} domain members', {
+                name: mailDomain?.name,
+              })}
+              onClick={() =>
+                router.push(`/mail-domains/${mailDomain.slug}/accesses/`)
+              }
+            >
+              {t('Manage accesses')}
+            </Button>
+          )}
+          {mailDomain?.abilities.post && (
             <Button
               aria-label={t('Create a mailbox in {{name}} domain', {
                 name: mailDomain?.name,
@@ -188,9 +204,9 @@ const TopBanner = ({
             >
               {t('Create a mailbox')}
             </Button>
-          </Box>
+          )}
         </Box>
-      )}
+      </Box>
     </Box>
   );
 };
@@ -204,7 +220,7 @@ const AlertStatus = ({ status }: { status: MailDomain['status'] }) => {
         return {
           variant: VariantType.WARNING,
           message: t(
-            'Your domain name is being validated.  ' +
+            'Your domain name is being validated. ' +
               'You will not be able to create mailboxes until your domain name has been validated by our team.',
           ),
         };
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/ModalCreateMailbox.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/ModalCreateMailbox.tsx
similarity index 99%
rename from src/frontend/apps/desk/src/features/mail-domains/components/ModalCreateMailbox.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/ModalCreateMailbox.tsx
index deafe7e..0fe1061 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/ModalCreateMailbox.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/ModalCreateMailbox.tsx
@@ -21,8 +21,8 @@ import { parseAPIError } from '@/api/parseAPIError';
 import { Box, Text, TextErrors } from '@/components';
 import { Modal } from '@/components/Modal';
 
+import { MailDomain } from '../../domains/types';
 import { CreateMailboxParams, useCreateMailbox } from '../api';
-import { MailDomain } from '../types';
 
 const FORM_ID: string = 'form-create-mailbox';
 
diff --git a/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/MailDomainsContent.test.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/MailDomainsContent.test.tsx
new file mode 100644
index 0000000..bb928ba
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/MailDomainsContent.test.tsx
@@ -0,0 +1,278 @@
+import '@testing-library/jest-dom';
+import { render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import fetchMock from 'fetch-mock';
+import React from 'react';
+
+import { AppWrapper } from '@/tests/utils';
+
+import { MailDomain } from '../../../domains/types';
+import { MailDomainsContent } from '../MailDomainsContent';
+
+const mockMailDomain: MailDomain = {
+  id: '456ac6ca-0402-4615-8005-69bc1efde43f',
+  name: 'example.com',
+  slug: 'example-com',
+  status: 'enabled',
+  abilities: {
+    get: true,
+    patch: true,
+    put: true,
+    post: true,
+    delete: true,
+    manage_accesses: true,
+  },
+  created_at: new Date().toISOString(),
+  updated_at: new Date().toISOString(),
+};
+
+const mockMailDomainAsViewer: MailDomain = {
+  id: '456ac6ca-0402-4615-8005-69bc1efde43f',
+  name: 'example.com',
+  slug: 'example-com',
+  status: 'enabled',
+  abilities: {
+    get: true,
+    patch: false,
+    put: false,
+    post: false,
+    delete: false,
+    manage_accesses: false,
+  },
+  created_at: new Date().toISOString(),
+  updated_at: new Date().toISOString(),
+};
+
+const mockMailboxes = [
+  {
+    id: '1',
+    first_name: 'John',
+    last_name: 'Doe',
+    local_part: 'john.doe',
+  },
+  {
+    id: '2',
+    first_name: 'Jane',
+    last_name: 'Smith',
+    local_part: 'jane.smith',
+  },
+];
+
+const mockPush = jest.fn();
+const mockedUseRouter = jest.fn().mockReturnValue({
+  push: mockPush,
+});
+
+jest.mock('next/navigation', () => ({
+  ...jest.requireActual('next/navigation'),
+  useRouter: () => mockedUseRouter(),
+}));
+
+describe('MailDomainsContent', () => {
+  afterEach(() => {
+    fetchMock.restore();
+  });
+
+  it('renders with no mailboxes and displays empty placeholder', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 0,
+      results: [],
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    expect(screen.getByRole('status')).toBeInTheDocument();
+
+    expect(
+      await screen.findByText('No mail box was created with this mail domain.'),
+    ).toBeInTheDocument();
+  });
+
+  it('renders mailboxes and displays them correctly', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 2,
+      results: mockMailboxes,
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(() => {
+      expect(screen.getByText('John Doe')).toBeInTheDocument();
+    });
+    expect(screen.getByText('jane.smith@example.com')).toBeInTheDocument();
+  });
+
+  it('handles sorting by name and email', async () => {
+    const sortedByName = [...mockMailboxes].sort((a, b) =>
+      a.first_name.localeCompare(b.first_name),
+    );
+    const sortedByEmail = [...mockMailboxes].sort((a, b) =>
+      a.local_part.localeCompare(b.local_part),
+    );
+
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 2,
+      results: mockMailboxes,
+    });
+
+    fetchMock.get(
+      'end:/mail-domains/example-com/mailboxes/?page=1&ordering=name',
+      {
+        count: 2,
+        results: sortedByName,
+      },
+    );
+
+    fetchMock.get(
+      'end:/mail-domains/example-com/mailboxes/?page=1&ordering=local_part',
+      {
+        count: 2,
+        results: sortedByEmail,
+      },
+    );
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    // Sorting by name
+    await waitFor(async () => {
+      await userEvent.click(screen.getByRole('button', { name: 'Names' }));
+    });
+
+    expect(fetchMock.lastUrl()).toContain(
+      '/mail-domains/example-com/mailboxes/?page=1&ordering=name',
+    );
+
+    await waitFor(() => {
+      expect(screen.getByText('John Doe')).toBeInTheDocument();
+    });
+
+    // Sorting by email
+    await waitFor(async () => {
+      await userEvent.click(screen.getByRole('button', { name: 'Emails' }));
+    });
+
+    expect(fetchMock.lastUrl()).toContain(
+      '/mail-domains/example-com/mailboxes/?page=1&ordering=local_part',
+    );
+
+    await waitFor(() => {
+      expect(screen.getByText('john.doe@example.com')).toBeInTheDocument();
+    });
+  });
+
+  it('opens the create mailbox modal when button is clicked by granted user', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 0,
+      results: [],
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(async () => {
+      await userEvent.click(screen.getByText('Create a mailbox'));
+    });
+
+    await waitFor(async () => {
+      expect(
+        await screen.findByTitle('Mailbox creation form'),
+      ).toBeInTheDocument();
+    });
+  });
+
+  it('redirects to accesses management page when button is clicked by granted user', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 0,
+      results: [],
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(async () => {
+      await userEvent.click(screen.getByText('Manage accesses'));
+    });
+
+    expect(mockPush).toHaveBeenCalledWith(
+      '/mail-domains/example-com/accesses/',
+    );
+  });
+
+  it('displays the correct alert based on mail domain status', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 0,
+      results: [],
+    });
+
+    const statuses = [
+      {
+        status: 'pending',
+        regex: /Your domain name is being validated/,
+      },
+      {
+        status: 'disabled',
+        regex:
+          /This domain name is deactivated. No new mailboxes can be created/,
+      },
+      {
+        status: 'failed',
+        regex: /The domain name encounters an error/,
+      },
+    ];
+
+    for (const { status, regex } of statuses) {
+      const updatedMailDomain = { ...mockMailDomain, status } as MailDomain;
+
+      render(<MailDomainsContent mailDomain={updatedMailDomain} />, {
+        wrapper: AppWrapper,
+      });
+
+      await waitFor(() => {
+        expect(screen.getByText(regex)).toBeInTheDocument();
+      });
+    }
+  });
+
+  it('handles API errors and displays the error message', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      status: 500,
+      body: {
+        cause: 'An unexpected error occurred.',
+      },
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomain} />, {
+      wrapper: AppWrapper,
+    });
+
+    expect(
+      await screen.findByText('An unexpected error occurred.'),
+    ).toBeInTheDocument();
+  });
+
+  it('hides buttons to ungranted users', async () => {
+    fetchMock.get('end:/mail-domains/example-com/mailboxes/?page=1', {
+      count: 0,
+      results: [],
+    });
+
+    render(<MailDomainsContent mailDomain={mockMailDomainAsViewer} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(() => {
+      expect(screen.queryByText('Manage accesses')).not.toBeInTheDocument();
+    });
+    await waitFor(() => {
+      expect(screen.queryByText('Create a mailbox')).not.toBeInTheDocument();
+    });
+  });
+});
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalCreateMailbox.test.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/ModalCreateMailbox.test.tsx
similarity index 98%
rename from src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalCreateMailbox.test.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/ModalCreateMailbox.test.tsx
index b7a0800..51659aa 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/__tests__/ModalCreateMailbox.test.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/__tests__/ModalCreateMailbox.test.tsx
@@ -4,7 +4,7 @@ import fetchMock from 'fetch-mock';
 
 import { AppWrapper } from '@/tests/utils';
 
-import { MailDomain } from '../../types';
+import { MailDomain } from '../../../domains/types';
 import { ModalCreateMailbox } from '../ModalCreateMailbox';
 
 const mockMailDomain: MailDomain = {
@@ -64,9 +64,8 @@ describe('ModalCreateMailbox', () => {
     fetchMock.restore();
   });
 
-  it('renders the modal with all fields and buttons', () => {
+  it('renders all the elements', () => {
     renderModalCreateMailbox();
-
     const {
       formTag,
       inputFirstName,
diff --git a/src/frontend/apps/desk/src/features/mail-domains/components/index.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/index.ts
similarity index 50%
rename from src/frontend/apps/desk/src/features/mail-domains/components/index.tsx
rename to src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/index.ts
index 6dab85f..5b2fbc4 100644
--- a/src/frontend/apps/desk/src/features/mail-domains/components/index.tsx
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/components/index.ts
@@ -1,2 +1,2 @@
+export * from './ModalCreateMailbox';
 export * from './MailDomainsContent';
-export * from './MailDomainsLayout';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/mailboxes/index.tsx b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/index.tsx
new file mode 100644
index 0000000..314dad0
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/index.tsx
@@ -0,0 +1,3 @@
+export * from './api';
+export * from './components';
+export * from './types';
diff --git a/src/frontend/apps/desk/src/features/mail-domains/mailboxes/types.ts b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/types.ts
new file mode 100644
index 0000000..da4d1f5
--- /dev/null
+++ b/src/frontend/apps/desk/src/features/mail-domains/mailboxes/types.ts
@@ -0,0 +1,9 @@
+import { UUID } from 'crypto';
+
+export interface MailDomainMailbox {
+  id: UUID;
+  local_part: string;
+  first_name: string;
+  last_name: string;
+  secondary_email: string;
+}
diff --git a/src/frontend/apps/desk/src/pages/mail-domains/[slug].tsx b/src/frontend/apps/desk/src/pages/mail-domains/[slug]/index.tsx
similarity index 76%
rename from src/frontend/apps/desk/src/pages/mail-domains/[slug].tsx
rename to src/frontend/apps/desk/src/pages/mail-domains/[slug]/index.tsx
index cdd2fb3..b671410 100644
--- a/src/frontend/apps/desk/src/pages/mail-domains/[slug].tsx
+++ b/src/frontend/apps/desk/src/pages/mail-domains/[slug]/index.tsx
@@ -5,11 +5,14 @@ import { ReactElement } from 'react';
 
 import { Box } from '@/components';
 import { TextErrors } from '@/components/TextErrors';
-import { MailDomainsContent, MailDomainsLayout } from '@/features/mail-domains';
-import { useMailDomain } from '@/features/mail-domains/api/useMailDomain';
+import {
+  MailDomainsLayout,
+  useMailDomain,
+} from '@/features/mail-domains/domains';
+import { MailDomainsContent } from '@/features/mail-domains/mailboxes';
 import { NextPageWithLayout } from '@/types/next';
 
-const Page: NextPageWithLayout = () => {
+const MailboxesPage: NextPageWithLayout = () => {
   const router = useRouter();
 
   if (router?.query?.slug && typeof router.query.slug !== 'string') {
@@ -22,9 +25,9 @@ const Page: NextPageWithLayout = () => {
 
   const {
     data: mailDomain,
-    error: error,
+    error,
     isError,
-    isLoading: isLoading,
+    isLoading,
   } = useMailDomain({ slug: String(slug) });
 
   if (error?.status === 404) {
@@ -47,8 +50,8 @@ const Page: NextPageWithLayout = () => {
   }
 };
 
-Page.getLayout = function getLayout(page: ReactElement) {
+MailboxesPage.getLayout = function getLayout(page: ReactElement) {
   return <MailDomainsLayout>{page}</MailDomainsLayout>;
 };
 
-export default Page;
+export default MailboxesPage;
diff --git a/src/frontend/apps/desk/src/pages/mail-domains/add.tsx b/src/frontend/apps/desk/src/pages/mail-domains/add.tsx
index 1e4227b..353eaf5 100644
--- a/src/frontend/apps/desk/src/pages/mail-domains/add.tsx
+++ b/src/frontend/apps/desk/src/pages/mail-domains/add.tsx
@@ -1,8 +1,10 @@
 import React, { ReactElement } from 'react';
 
 import { Box } from '@/components';
-import { MailDomainsLayout } from '@/features/mail-domains';
-import { ModalAddMailDomain } from '@/features/mail-domains/components/ModalAddMailDomain';
+import {
+  MailDomainsLayout,
+  ModalAddMailDomain,
+} from '@/features/mail-domains/domains';
 import { NextPageWithLayout } from '@/types/next';
 
 const Page: NextPageWithLayout = () => {
diff --git a/src/frontend/apps/desk/src/pages/mail-domains/index.tsx b/src/frontend/apps/desk/src/pages/mail-domains/index.tsx
index 15c53c4..2b5c4dc 100644
--- a/src/frontend/apps/desk/src/pages/mail-domains/index.tsx
+++ b/src/frontend/apps/desk/src/pages/mail-domains/index.tsx
@@ -5,7 +5,7 @@ import { useTranslation } from 'react-i18next';
 import styled from 'styled-components';
 
 import { Box } from '@/components';
-import { MailDomainsLayout } from '@/features/mail-domains';
+import { MailDomainsLayout } from '@/features/mail-domains/domains';
 import { NextPageWithLayout } from '@/types/next';
 
 const StyledButton = styled(Button)`
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain-create-mailbox.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain-create-mailbox.spec.ts
index 53c1cfa..5b02875 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain-create-mailbox.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain-create-mailbox.spec.ts
@@ -1,8 +1,6 @@
 import { Page, expect, test } from '@playwright/test';
-import {
-  CreateMailboxParams,
-  MailDomain,
-} from 'app-desk/src/features/mail-domains';
+import { MailDomain } from 'app-desk/src/features/mail-domains/domains';
+import { CreateMailboxParams } from 'app-desk/src/features/mail-domains/mailboxes';
 
 import { keyCloakSignIn } from './common';
 
@@ -181,9 +179,10 @@ test.describe('Mail domain create mailbox', () => {
         request.url().includes('/mail-domains/domainfr/mailboxes/') &&
         request.method() === 'POST'
       ) {
-        // eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-        const payload: Omit<CreateMailboxParams, 'mailDomainId'> =
-          request.postDataJSON();
+        const payload = request.postDataJSON() as Omit<
+          CreateMailboxParams,
+          'mailDomainId'
+        >;
 
         if (payload) {
           isCreateMailboxRequestSentWithExpectedPayload =
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
index c273fd5..fbbb2aa 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/mail-domain.spec.ts
@@ -1,5 +1,5 @@
 import { Page, expect, test } from '@playwright/test';
-import { MailDomain } from 'app-desk/src/features/mail-domains';
+import { MailDomain } from 'app-desk/src/features/mail-domains/domains';
 
 import { keyCloakSignIn } from './common';
 
diff --git a/src/frontend/apps/e2e/__tests__/app-desk/mail-domains.spec.ts b/src/frontend/apps/e2e/__tests__/app-desk/mail-domains.spec.ts
index 6b57529..f40f8dc 100644
--- a/src/frontend/apps/e2e/__tests__/app-desk/mail-domains.spec.ts
+++ b/src/frontend/apps/e2e/__tests__/app-desk/mail-domains.spec.ts
@@ -1,5 +1,5 @@
 import { expect, test } from '@playwright/test';
-import { MailDomain } from 'app-desk/src/features/mail-domains';
+import { MailDomain } from 'app-desk/src/features/mail-domains/domains';
 
 import { keyCloakSignIn } from './common';