OriginallyIntendedRecipEmailAddress

KnownPropertyList.OriginallyIntendedRecipEmailAddress field

Microsoft. Exchange 定义了由 Microsoft Exchange Server 和 Microsoft Exchange Client 使用的此属性。 规范名称: 备用名称:PR_ORIGINALLY_INTENDED_RECIP_EMAIL_ADDRESS

public static readonly PidTagPropertyDescriptor OriginallyIntendedRecipEmailAddress;

也可以看看