帮忙写个英文的回访我是一个ebay卖家,几天前卖出一个商品,现在回访客人,就说他的货前几天已经发出去了,问他现在是否收到

Dear Sir or Madam,
Your XXX has been delivered XXX days ago.Have you received it yet?I sincerely hope you will find it satisfactory.Thanks for your coming again and have a nice day.
By the way,would you please give me a appraise in EBAY at your spare time?It will be very appreciated for you to do so.
Best regards
Yours XXX