diff --git a/app/EnquiriesManagementController/EnquiriesManagementController.php b/app/EnquiriesManagementController/EnquiriesManagementController.php
index 8ad8e13cd..e82b6c789 100644
--- a/app/EnquiriesManagementController/EnquiriesManagementController.php
+++ b/app/EnquiriesManagementController/EnquiriesManagementController.php
@@ -128,9 +128,10 @@ public function sendEmail(string $ident, array $threadDetail, array $usersToNoti
 
                 // In case for multiple users to notify, loop again for actual details.
                 foreach ($u as $arr) {
+                    $aliasEmail = str_replace('@', '+' . $threadDetail['thread']['unique_key']. '@', $arr['user']['email']);
                     $to = [
                         'to' => [
-                            'email' => $arr['user']['email'],
+                            'email' => str_replace('@', '+' . $threadDetail['thread']['unique_key']. '@', $arr['user']['email']),
                             'name' => $arr['user']['firstname'] . ' ' . $arr['user']['lastname'],
                         ],
                     ];
@@ -146,6 +147,8 @@ public function sendEmail(string $ident, array $threadDetail, array $usersToNoti
                 'description' => 'EnquiriesManagementController failed to send email on behalf of ' .
                     $jwtUser['id'] . ': ' . $e->getMessage(),
             ]);
+
+            throw new Exception($e->getMessage());
         }
     }
 
diff --git a/app/Http/Controllers/Api/V1/EnquiryThreadController.php b/app/Http/Controllers/Api/V1/EnquiryThreadController.php
index 3f1072e77..1614e2ccf 100644
--- a/app/Http/Controllers/Api/V1/EnquiryThreadController.php
+++ b/app/Http/Controllers/Api/V1/EnquiryThreadController.php
@@ -283,12 +283,14 @@ public function store(Request $request): JsonResponse
                 'description' => 'EnquiryThread ' . $enquiryThreadId . ' create - FAILED: ' . 
                     $e->getMessage(),
             ]);
-        } finally {
-            return response()->json([
-                'message' => Config::get('statuscodes.STATUS_BAD_REQUEST.message'),
-                'data' => null,
-            ], Config::get('statuscodes.STATUS_BAD_REQUEST.code'));
+            
+            throw new Exception ($e->getMessage());
         }
+
+        return response()->json([
+            'message' => Config::get('statuscodes.STATUS_BAD_REQUEST.message'),
+            'data' => null,
+        ], Config::get('statuscodes.STATUS_BAD_REQUEST.code'));
     }
 
     private function mapDatasets(array $datasets): array