diff --git a/src/Backend.php b/src/Backend.php
index 603111a..d3f9f64 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -1,15 +1,5 @@
 <?php
-/**
- * @brief testMail, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Osku and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
+
 declare(strict_types=1);
 
 namespace Dotclear\Plugin\testMail;
@@ -17,8 +7,8 @@ namespace Dotclear\Plugin\testMail;
 use Dotclear\Core\Process;
 
 /**
- * @brief   testMail backend class.
- * @ingroup testMail
+ * @brief       testMail backend class.
+ * @ingroup     testMail
  *
  * @author      Osku (author)
  * @author      Jean-Christian Denis (author)
diff --git a/src/Manage.php b/src/Manage.php
index 39d5c2f..56e3f6d 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -26,8 +26,8 @@ use Dotclear\Helper\Text;
 use Exception;
 
 /**
- * @brief   testMail manage class.
- * @ingroup testMail
+ * @brief       testMail manage class.
+ * @ingroup     testMail
  *
  * @author      Osku (author)
  * @author      Jean-Christian Denis (author)
diff --git a/src/My.php b/src/My.php
index fd56908..529ef80 100644
--- a/src/My.php
+++ b/src/My.php
@@ -8,8 +8,8 @@ use Dotclear\App;
 use Dotclear\Module\MyPlugin;
 
 /**
- * @brief   testMail My helper.
- * @ingroup testMail
+ * @brief       testMail My helper.
+ * @ingroup     testMail
  *
  * @author      Osku (author)
  * @author      Jean-Christian Denis (author)
@@ -17,11 +17,19 @@ use Dotclear\Module\MyPlugin;
  */
 class My extends MyPlugin
 {
-    /** @var    string  Mailer name */
+    /**
+     * Mailer name.
+     *
+     * @var     string  X_MAILER
+     */
     public const X_MAILER = 'Dotclear';
 
     public static function checkCustomContext(int $context): ?bool
     {
-        return App::task()->checkContext('BACKEND') && App::auth()->isSuperAdmin();
+        // Limit to super admin
+        return match ($context) {
+            self::MODULE => App::auth()->isSuperAdmin(),
+            default      => null,
+        };
     }
 }