H1B transfer PP, 没收到email receipt, 正常吗？

10/15 H1B transfer PP filing, 之后一直没有收到email receipt notice. 结果今天律师收到了纸质版的通知。上USCIS查状态，是"Case Was Received", 查附近号段的I-129, 都是"Case Was Received and A Receipt Notice Was Emailed". 就是说，别人都收到了email, 只有我的没有收到。。。这正常吗？不是说，所有PP都应该有email receipt吗？