電子郵件附件 解碼_爲什麼我的電子郵件的大小大於其附件的大小？

電子郵件附件 解碼 If you are using a locally installed mail client, you may have noticed that the size of an email seems to be a bit larger than the files you have attached to it. Why is that and is it a caus

>>阅读原文<<