diff --git a/app/Livewire/Ui/System/UpdatePage.php b/app/Livewire/Ui/System/UpdatePage.php
index 27813e7..0c5a239 100644
--- a/app/Livewire/Ui/System/UpdatePage.php
+++ b/app/Livewire/Ui/System/UpdatePage.php
@@ -133,6 +133,7 @@ class UpdatePage extends Component
 
             if ($this->rc === 0 && !$this->postActionsDone) {
                 @shell_exec('nohup php /var/www/mailwolt/artisan optimize:clear >/dev/null 2>&1 &');
+                @shell_exec('nohup php /var/www/mailwolt/artisan config:cache >/dev/null 2>&1 &');
                 @shell_exec('nohup php /var/www/mailwolt/artisan health:collect >/dev/null 2>&1 &');
                 @shell_exec('nohup php /var/www/mailwolt/artisan settings:sync >/dev/null 2>&1 &');
                 $this->postActionsDone = true;
diff --git a/bootstrap/app.php b/bootstrap/app.php
index 2298729..33f7b0b 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -27,14 +27,23 @@ return Application::configure(basePath: dirname(__DIR__))
                     ->prefix('webmail')
                     ->name('webmail.')
                     ->group(base_path('routes/webmail.php'));
+
+                // UI-Routes nur auf UI-Domain binden, damit webmail.* sie nicht beantwortet
+                $uiHost = config('clubird.domain.ui') && config('clubird.domain.base')
+                    ? config('clubird.domain.ui') . '.' . config('clubird.domain.base')
+                    : parse_url(config('app.url'), PHP_URL_HOST);
+
+                Route::middleware('web')
+                    ->domain($uiHost)
+                    ->group(base_path('routes/web.php'));
             } else {
                 Route::middleware('web')
                     ->prefix('webmail')
                     ->name('ui.webmail.')
                     ->group(base_path('routes/webmail.php'));
-            }
 
-            Route::middleware('web')->group(base_path('routes/web.php'));
+                Route::middleware('web')->group(base_path('routes/web.php'));
+            }
         },
     )
     ->withMiddleware(function (Middleware $middleware): void {