印度铁路订票注册

请教！！ 已写邮件要Mobil OTP，并按要求上传护照照片，但是，给我的回复是：You have sent the image by embedding inside the email body which are blocked for security reasons.Please send the image as a proper attachment instead of pasting the image in email body. Size of your attachment should be less than 1MB. 帮忙看看是怎么回事啊？ 谢谢