ReadReceiptRequested

KnownPropertyList.ReadReceiptRequested field

指定电子邮件发件人在阅读或打开此电子邮件时是否向所有收件人请求已读回执。区域：Email 规范名称：PidTagReadReceiptRequested 替代名称：PR_READ_RECEIPT_REQUESTED、ptagReadReceiptRequested、

public static readonly PidTagPropertyDescriptor ReadReceiptRequested;