diff --git a/config/app.php b/config/app.php
index 576cf0a..c3344aa 100644
--- a/config/app.php
+++ b/config/app.php
@@ -41,6 +41,8 @@ return [
 
     'debug' => (bool) env('APP_DEBUG', false),
 
+    'debug_mail_token' => env('DEBUG_MAIL_TOKEN'),
+
     /*
     |--------------------------------------------------------------------------
     | Application URL
diff --git a/routes/dev-routes.php b/routes/dev-routes.php
index 2b1351b..a1f957f 100644
--- a/routes/dev-routes.php
+++ b/routes/dev-routes.php
@@ -53,3 +53,24 @@ Route::get('/test/isp-mails', function() {
 });*/
 
 // Test info user on Front
+
+// Temporary mail test route — remove after debugging
+Route::get('/test/mail', function (\Illuminate\Http\Request $request) {
+    $token = config('app.debug_mail_token');
+
+    if (! $token || $request->query('token') !== $token) {
+        abort(403);
+    }
+
+    $to = $request->query('to');
+
+    if (! $to || ! filter_var($to, FILTER_VALIDATE_EMAIL)) {
+        return response()->json(['error' => 'Provide a valid ?to=email@example.com'], 422);
+    }
+
+    \Illuminate\Support\Facades\Mail::raw('Test mail from Roxane — SMTP is working.', function ($message) use ($to) {
+        $message->to($to)->subject('Roxane — SMTP test');
+    });
+
+    return response()->json(['status' => 'sent', 'to' => $to]);
+});
diff --git a/routes/web.php b/routes/web.php
index 9f09752..c21cab8 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -24,6 +24,6 @@ Route::get('/confidentialite', fn () => Inertia::render('legal/confidentialite')
 require __DIR__.'/settings.php';
 require __DIR__.'/auth.php';
 require __DIR__.'/forms.php';
-if (app()->environment('local')) {
+if (app()->environment('local', 'staging', 'preprod')) {
     require __DIR__.'/dev-routes.php';
 }