diff --git a/public/static/style.css b/public/static/style.css
index 4fd2214..ab04854 100644
--- a/public/static/style.css
+++ b/public/static/style.css
@@ -54,12 +54,13 @@ nav a {
 
 nav a:link, nav a:visited {
     background-color: #eeeeee;
-    color: blue;
+    color: #ff00e6;
     text-decoration: none;
 }
 
 nav a:hover, nav a:focus {
     background-color: #ffffff;
+    color: #0066ff;
     text-decoration: underline;
 }
 
@@ -94,6 +95,16 @@ h2 {
     margin: 0 0 0.5em 0;
 }
 
+a:link, a:visited {
+    color: #ff00e6;
+    text-decoration: none;
+}
+
+a:hover, a:focus {
+    color: #0066ff;
+    text-decoration: underline;
+}
+
 .error {
     background: #ff4444;
     width: 30em;
@@ -101,6 +112,40 @@ h2 {
     padding: 1em;
 }
 
+.gray {
+    color: gray;
+}
+
 button {
     padding: 0.2em 1em;
 }
+
+table, tr, td, th {
+    border: 1px solid #999999;
+    border-collapse: collapse;
+    padding: 0.25em 0.5em;
+}
+
+.inactive {
+    color: gray;
+}
+
+/* --- Filter options --- */
+.filter_options {
+    border: 1px solid #999999;
+    padding: 1em;
+    margin: 1em 0;
+}
+
+.filter_options h4 {
+    margin: 0 0 0.5em 0;
+}
+
+/* --- Detail columns --- */
+input#show_details_checkbox {
+    margin-bottom: 1em;
+}
+
+input#show_details_checkbox:not(:checked) ~ table .detail_column {
+    display: none;
+}
diff --git a/src/Dependencies.php b/src/Dependencies.php
index ac6fbb4..f7f9742 100644
--- a/src/Dependencies.php
+++ b/src/Dependencies.php
@@ -9,7 +9,9 @@ use MailAccountAdmin\Frontend\Accounts\AccountController;
 use MailAccountAdmin\Frontend\Domains\DomainController;
 use MailAccountAdmin\Frontend\Login\LoginController;
 use MailAccountAdmin\Frontend\Dashboard\DashboardController;
+use MailAccountAdmin\Repositories\AccountRepository;
 use MailAccountAdmin\Repositories\AdminUserRepository;
+use MailAccountAdmin\Repositories\DomainRepository;
 use PDO;
 use Psr\Container\ContainerInterface;
 use Slim\Views\Twig;
@@ -58,6 +60,16 @@ class Dependencies
                 $c->get(self::DATABASE),
             );
         });
+        $container->set(DomainRepository::class, function (ContainerInterface $c) {
+            return new DomainRepository(
+                $c->get(self::DATABASE),
+            );
+        });
+        $container->set(AccountRepository::class, function (ContainerInterface $c) {
+            return new AccountRepository(
+                $c->get(self::DATABASE),
+            );
+        });
 
         // Helper classes
         $container->set(UserHelper::class, function (ContainerInterface $c) {
@@ -84,12 +96,14 @@ class Dependencies
             return new DomainController(
                 $c->get(self::TWIG),
                 $c->get(UserHelper::class),
+                $c->get(DomainRepository::class),
             );
         });
         $container->set(AccountController::class, function (ContainerInterface $c) {
             return new AccountController(
                 $c->get(self::TWIG),
                 $c->get(UserHelper::class),
+                $c->get(AccountRepository::class),
             );
         });
 
diff --git a/src/Frontend/Accounts/AccountController.php b/src/Frontend/Accounts/AccountController.php
index d948371..a93ed33 100644
--- a/src/Frontend/Accounts/AccountController.php
+++ b/src/Frontend/Accounts/AccountController.php
@@ -3,15 +3,33 @@ declare(strict_types=1);
 
 namespace MailAccountAdmin\Frontend\Accounts;
 
+use MailAccountAdmin\Common\UserHelper;
 use MailAccountAdmin\Frontend\BaseController;
+use MailAccountAdmin\Repositories\AccountRepository;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Views\Twig;
 
 class AccountController extends BaseController
 {
+    /** @var AccountRepository */
+    private $accountRepository;
+
+    public function __construct(Twig $view, UserHelper $userHelper, AccountRepository $accountRepository)
+    {
+        parent::__construct($view, $userHelper);
+        $this->accountRepository = $accountRepository;
+    }
+
     public function showAccounts(Request $request, Response $response): Response
     {
+        // Parse query parameters for filters
+        $queryParams = $request->getQueryParams();
+        $filterByDomain = $queryParams['domain'] ?? null;
+
         $renderData = [
+            'filterDomain' => $filterByDomain,
+            'accountList' => $this->accountRepository->fetchAccountList($filterByDomain),
         ];
 
         return $this->view->render($response, 'accounts.html.twig', $renderData);
diff --git a/src/Frontend/Domains/DomainController.php b/src/Frontend/Domains/DomainController.php
index 172e25f..5451a1c 100644
--- a/src/Frontend/Domains/DomainController.php
+++ b/src/Frontend/Domains/DomainController.php
@@ -3,15 +3,28 @@ declare(strict_types=1);
 
 namespace MailAccountAdmin\Frontend\Domains;
 
+use MailAccountAdmin\Common\UserHelper;
 use MailAccountAdmin\Frontend\BaseController;
+use MailAccountAdmin\Repositories\DomainRepository;
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
+use Slim\Views\Twig;
 
 class DomainController extends BaseController
 {
+    /** @var DomainRepository */
+    private $domainRepository;
+
+    public function __construct(Twig $view, UserHelper $userHelper, DomainRepository $domainRepository)
+    {
+        parent::__construct($view, $userHelper);
+        $this->domainRepository = $domainRepository;
+    }
+
     public function showDomains(Request $request, Response $response): Response
     {
         $renderData = [
+            'domainList' => $this->domainRepository->fetchDomainList(),
         ];
 
         return $this->view->render($response, 'domains.html.twig', $renderData);
diff --git a/src/Repositories/AccountRepository.php b/src/Repositories/AccountRepository.php
new file mode 100644
index 0000000..a97e3cd
--- /dev/null
+++ b/src/Repositories/AccountRepository.php
@@ -0,0 +1,35 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin\Repositories;
+
+use PDO;
+
+class AccountRepository extends BaseRepository
+{
+    public function fetchAccountList(string $filterByDomain = null): array
+    {
+        $queryWhere = '';
+        $queryParams = [];
+        if (!empty($filterByDomain)) {
+            $queryWhere = 'WHERE REGEXP_REPLACE(username, "^.*@", "") LIKE :domain';
+            $queryParams['domain'] = str_replace('*', '%', $filterByDomain);
+        }
+
+        $query = '
+            SELECT
+                mail_users.*,
+                REGEXP_REPLACE(username, "^.*@", "") AS domain,
+                COUNT(alias_id) AS alias_count
+            FROM mail_users
+            LEFT JOIN mail_aliases ON mail_users.user_id = mail_aliases.user_id
+            ' . $queryWhere . '
+            GROUP BY username
+            ORDER BY domain, username
+        ';
+
+        $statement = $this->pdo->prepare($query);
+        $statement->execute($queryParams);
+        return $statement->fetchAll(PDO::FETCH_ASSOC);
+    }
+}
diff --git a/src/Repositories/AdminUserRepository.php b/src/Repositories/AdminUserRepository.php
index 84376f5..bc10c38 100644
--- a/src/Repositories/AdminUserRepository.php
+++ b/src/Repositories/AdminUserRepository.php
@@ -7,16 +7,8 @@ use MailAccountAdmin\Exceptions\AdminUserNotFoundException;
 use MailAccountAdmin\Models\AdminUser;
 use PDO;
 
-class AdminUserRepository
+class AdminUserRepository extends BaseRepository
 {
-    /** @var PDO */
-    private $pdo;
-
-    public function __construct(PDO $pdo)
-    {
-        $this->pdo = $pdo;
-    }
-
     /**
      * @throws AdminUserNotFoundException
      */
diff --git a/src/Repositories/BaseRepository.php b/src/Repositories/BaseRepository.php
new file mode 100644
index 0000000..2108442
--- /dev/null
+++ b/src/Repositories/BaseRepository.php
@@ -0,0 +1,17 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin\Repositories;
+
+use PDO;
+
+class BaseRepository
+{
+    /** @var PDO */
+    protected $pdo;
+
+    public function __construct(PDO $pdo)
+    {
+        $this->pdo = $pdo;
+    }
+}
diff --git a/src/Repositories/DomainRepository.php b/src/Repositories/DomainRepository.php
new file mode 100644
index 0000000..94dddb9
--- /dev/null
+++ b/src/Repositories/DomainRepository.php
@@ -0,0 +1,38 @@
+<?php
+declare(strict_types=1);
+
+namespace MailAccountAdmin\Repositories;
+
+use PDO;
+
+class DomainRepository extends BaseRepository
+{
+    public function fetchDomainList(): array
+    {
+        // Fetch domains with account/alias count from database
+        $statement = $this->pdo->query('
+            SELECT
+                REGEXP_REPLACE(address, "^.*@", "") AS domain,
+                COUNT(is_account) AS account_count,
+                COUNT(is_alias) AS alias_count
+            FROM (
+                SELECT username AS address, 1 AS is_account, NULL AS is_alias FROM mail_users
+                UNION
+                SELECT mail_address AS address, NULL AS is_account, 1 AS is_alias FROM mail_aliases
+            ) AS addresses
+            GROUP BY domain
+        ');
+
+        $domainRows = $statement->fetchAll(PDO::FETCH_ASSOC);
+        $domainsCounted = [];
+        foreach ($domainRows as $row) {
+            $domainsCounted[$row['domain']] = [
+                'accounts' => $row['account_count'],
+                'aliases' => $row['alias_count'],
+            ];
+        }
+
+        ksort($domainsCounted);
+        return $domainsCounted;
+    }
+}
diff --git a/templates/accounts.html.twig b/templates/accounts.html.twig
index ecfaddd..b920b3b 100644
--- a/templates/accounts.html.twig
+++ b/templates/accounts.html.twig
@@ -5,6 +5,48 @@
 {% block content %}
     <h2>Accounts</h2>
 
-    <p>List of accounts ... <b>TODO</b></p>
-    <p><a href="/accounts/42">Test</a></p>
+    <p>List of all mail accounts.</p>
+
+    <div class="filter_options">
+        <form action="/accounts" method="GET">
+            <h4>Filter:</h4>
+            <label for="filter_domain">Domain: </label>
+            <input name="domain" id="filter_domain" value="{{ filterDomain | default('') }}"/>
+            <button type="submit">Apply</button>
+            <button type="reset" onclick="location.href='/accounts'">Clear</button>
+        </form>
+    </div>
+
+    <input type="checkbox" id="show_details_checkbox"><label for="show_details_checkbox"> Show detail columns</label>
+
+    <table>
+        <tr>
+            <th style="min-width: 15em">Username</th>
+            <th style="min-width: 10em">Domain</th>
+            <th>Aliases</th>
+            <th>Active</th>
+            <th class="detail_column">Home directory</th>
+            <th class="detail_column" style="min-width: 10em">Memo</th>
+            <th>Created</th>
+            <th class="detail_column">Last modified</th>
+        </tr>
+        {% if accountList %}
+            {% for account in accountList -%}
+                <tr{% if account['is_active'] != 1 %} class="inactive"{% endif %}>
+                    <td><a href="/accounts/{{ account['user_id'] }}">{{ account['username'] }}</a></td>
+                    <td><a href="/accounts?domain={{ account['domain'] }}">{{ account['domain'] }}</a></td>
+                    <td>{{ account['alias_count'] }}</td>
+                    <td>{{ account['is_active'] == 1 ? 'Yes' : 'No' }}</td>
+                    <td class="detail_column"><span class="gray">vmail/</span>{{ account['home_dir'] }}</td>
+                    <td class="detail_column">{{ account['memo'] }}</td>
+                    <td>{{ account['created_at'] }}</td>
+                    <td class="detail_column">{{ account['modified_at'] }}</td>
+                </tr>
+            {% endfor %}
+        {% else %}
+            <tr>
+                <td colspan="100" style="text-align: center">No accounts found.</td>
+            </tr>
+        {% endif %}
+    </table>
 {% endblock %}
diff --git a/templates/domains.html.twig b/templates/domains.html.twig
index 6ac7814..79d0044 100644
--- a/templates/domains.html.twig
+++ b/templates/domains.html.twig
@@ -5,6 +5,26 @@
 {% block content %}
     <h2>Domains</h2>
 
-    <p>List of domains ... <b>TODO</b></p>
-    <p><a href="/domains/42">Test</a></p>
+    <p>This is a list of all domains auto-generated from the existing mail accounts and aliases. As such it is read-only.</p>
+
+    <table>
+        <tr>
+            <th style="min-width: 12em">Domain</th>
+            <th>Accounts</th>
+            <th>Aliases</th>
+        </tr>
+        {% if domainList %}
+            {% for domain, domainCounts in domainList -%}
+                <tr>
+                    <td><a href="/accounts?domain={{ domain | escape('url') }}">{{ domain }}</a></td>
+                    <td>{{ domainCounts['accounts'] }}</td>
+                    <td>{{ domainCounts['aliases'] }}</td>
+                </tr>
+            {% endfor %}
+        {% else %}
+            <tr>
+                <td colspan="100" style="text-align: center">No domains found.</td>
+            </tr>
+        {% endif %}
+    </table>
 {% endblock %}