diff --git a/app/Http/Controllers/MailAccountController.php b/app/Http/Controllers/MailAccountController.php
index fd057a4..8c95e0b 100644
--- a/app/Http/Controllers/MailAccountController.php
+++ b/app/Http/Controllers/MailAccountController.php
@@ -84,7 +84,12 @@ class MailAccountController extends Controller
             );
             return response()->json(['success' => true]);
         } catch (\Exception $e) {
-            \Illuminate\Support\Facades\Log::error('sendTestEmail failed: ' . $e->getMessage(), ['account' => $mailAccount->name]);
+            \Illuminate\Support\Facades\Log::error('sendTestEmail failed', [
+                'account' => $mailAccount->name,
+                'from'    => $mailAccount->from_address,
+                'message' => $e->getMessage(),
+                'trace'   => $e->getTraceAsString(),
+            ]);
             return response()->json(['success' => false, 'message' => $e->getMessage()]);
         }
     }