diff --git a/packages/twenty-server/src/modules/messaging/message-import-manager/drivers/gmail/utils/parse-gmail-messages-import-error.util.ts b/packages/twenty-server/src/modules/messaging/message-import-manager/drivers/gmail/utils/parse-gmail-messages-import-error.util.ts
index a3118bf1b..3da89e84e 100644
--- a/packages/twenty-server/src/modules/messaging/message-import-manager/drivers/gmail/utils/parse-gmail-messages-import-error.util.ts
+++ b/packages/twenty-server/src/modules/messaging/message-import-manager/drivers/gmail/utils/parse-gmail-messages-import-error.util.ts
@@ -75,12 +75,22 @@ export const parseGmailMessagesImportError = (
       );
 
     case 500:
+    case 502:
+    case 503:
+    case 504:
       if (reason === 'backendError') {
         return new MessageImportDriverException(
           message,
           MessageImportDriverExceptionCode.TEMPORARY_ERROR,
         );
       }
+
+      if (errors?.[0]?.message.includes(`Authentication backend unavailable`)) {
+        return new MessageImportDriverException(
+          `${code} - ${reason} - ${message}`,
+          MessageImportDriverExceptionCode.TEMPORARY_ERROR,
+        );
+      }
       break;
 
     default: