将邮件保存在 Outlook 桌面后，自定义 x-header 将被删除答案

【问题标题】：Custom x-headers are removed after the message is saved in Outlook desktop将邮件保存在 Outlook 桌面后，自定义 x-header 将被删除
【发布时间】：2022-08-08 13:45:17
【问题描述】：

我一直在开发一个 Outlook 加载项，该加载项根据与用户的交互插入自定义 x 标题。 Outlook Web 应用程序工作正常。当这些自定义 x 标头从 Outlook 桌面（Windows 10 和 macOS Monterey 版本 12.2）的消息中消失时，我遇到了问题。

环境信息：

Windows 10 Pro 版本为 21H2，OS build 19044.1469

微软 Office 专业增强版 2019

Microsoft® Outlook® 2019 MSO（版本 2110 Build 16.0.14527.20234）32 位

macOS 蒙特雷版本 12.2

Microsoft Outlook for Mac 版本 16.53 (21091200)

为了确保标头的插入成功并确定标头消失的时刻，我使用 Windows10 上的 OutlookSpy 工具手动执行了加载项逻辑。结果是一样的，看起来标题已被保存消息操作删除。

详情如下：

打开撰写，键入主题，使用 ctrl+S 保存消息或按下带有磁盘图像的按钮。在草稿文件夹中创建的消息

导航到草稿文件夹中的邮件。打开 OutlookSpy EWS 请求板并发送以下 EWS GetItem 请求以查找 ChangeKey。 EWS 请求板中提供了当前项目 ID

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<soap:Envelope
        xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
        xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
        xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"
        xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
  <soap:Header>
    <t:RequestServerVersion Version=\"Exchange2010\"/>
  </soap:Header>
  <soap:Body>
    <GetItem
      xmlns=\"http://schemas.microsoft.com/exchange/services/2006/messages\"
      xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
      <ItemShape>
        <t:BaseShape>IdOnly</t:BaseShape>        
      </ItemShape>
      <ItemIds>
        <t:ItemId Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>

响应消息返回当前的ChangeKey

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">
  <s:Header>
    <h:ServerVersionInfo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:h=\"http://schemas.microsoft.com/exchange/services/2006/types\" Version=\"V2018_01_08\" MinorBuildNumber=\"15\" MajorBuildNumber=\"5081\" MinorVersion=\"20\" MajorVersion=\"15\"/>
  </s:Header>
  <s:Body>
    <m:GetItemResponse xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <m:ResponseMessages>
        <m:GetItemResponseMessage ResponseClass=\"Success\">
          <m:ResponseCode>NoError</m:ResponseCode>
          <m:Items>
            <t:Message>
              <t:ItemId ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDEAU\" Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
            </t:Message>
          </m:Items>
        </m:GetItemResponseMessage>
      </m:ResponseMessages>
    </m:GetItemResponse>
  </s:Body>
</s:Envelope>

发送以下 EWS UpdateItem 请求以设置自定义 x-header。使用上一步收到的ChangeKey

<soap:Body>
    <UpdateItem MessageDisposition=\"SaveOnly\" ConflictResolution=\"AlwaysOverwrite\" 
                xmlns=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <ItemChanges>
        <t:ItemChange>
          <t:ItemId Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"
                    ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDEAU\"/>
          <t:Updates>
            <t:SetItemField>
              <t:ExtendedFieldURI DistinguishedPropertySetId=\"InternetHeaders\" PropertyName=\"x-custom-header1\" PropertyType=\"String\"/>
              <t:Message>
                <t:ExtendedProperty>
                  <t:ExtendedFieldURI DistinguishedPropertySetId=\"InternetHeaders\" PropertyName=\"x-custom-header1\" PropertyType=\"String\"/>
                  <t:Value>yes</t:Value>
                </t:ExtendedProperty>
              </t:Message>
            </t:SetItemField>
          </t:Updates>
        </t:ItemChange>
      </ItemChanges>
    </UpdateItem>
  </soap:Body>
</soap:Envelope>

对 UpdateItem 请求的响应显示 Success/NoError 与 0 冲突

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">
  <s:Header>
    <h:ServerVersionInfo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:h=\"http://schemas.microsoft.com/exchange/services/2006/types\" Version=\"V2018_01_08\" MinorBuildNumber=\"15\" MajorBuildNumber=\"5081\" MinorVersion=\"20\" MajorVersion=\"15\"/>
  </s:Header>
  <s:Body>
    <m:UpdateItemResponse xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <m:ResponseMessages>
        <m:UpdateItemResponseMessage ResponseClass=\"Success\">
          <m:ResponseCode>NoError</m:ResponseCode>
          <m:Items>
            <t:Message>
              <t:ItemId ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDECs\" Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
            </t:Message>
          </m:Items>
          <m:ConflictResults>
            <t:Count>0</t:Count>
          </m:ConflictResults>
        </m:UpdateItemResponseMessage>
      </m:ResponseMessages>
    </m:UpdateItemResponse>
  </s:Body>
</s:Envelope>

发送以下 EWS GetItem 请求以检查自定义 x-header 是否已设置。使用上一步收到的ChangeKey

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<soap:Envelope
        xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
        xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
        xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"
        xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
  <soap:Header>
    <t:RequestServerVersion Version=\"Exchange2010\"/>
  </soap:Header>
  <soap:Body>
    <GetItem
      xmlns=\"http://schemas.microsoft.com/exchange/services/2006/messages\"
      xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
      <ItemShape>
        <t:AdditionalProperties>
          <t:FieldURI FieldURI=\"item:Subject\" />
          <t:ExtendedFieldURI DistinguishedPropertySetId=\"InternetHeaders\" PropertyName=\"x-custom-header1\" PropertyType=\"String\" />
        </t:AdditionalProperties>
      </ItemShape>
      <ItemIds>
        <t:ItemId Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"
                  ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDECs\" />
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>

GetItem 响应包含在步骤 3 中设置的自定义 x-header

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">
  <s:Header>
    <h:ServerVersionInfo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:h=\"http://schemas.microsoft.com/exchange/services/2006/types\" Version=\"V2018_01_08\" MinorBuildNumber=\"15\" MajorBuildNumber=\"5081\" MinorVersion=\"20\" MajorVersion=\"15\"/>
  </s:Header>
  <s:Body>
    <m:GetItemResponse xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <m:ResponseMessages>
        <m:GetItemResponseMessage ResponseClass=\"Success\">
          <m:ResponseCode>NoError</m:ResponseCode>
          <m:Items>
            <t:Message>
              <t:ItemId ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDECs\" Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
              <t:Subject>test ews 3</t:Subject>
              <t:ExtendedProperty>
                <t:ExtendedFieldURI PropertyType=\"String\" PropertyName=\"x-custom-header1\" DistinguishedPropertySetId=\"InternetHeaders\"/>
                <t:Value>yes</t:Value>
              </t:ExtendedProperty>
            </t:Message>
          </m:Items>
        </m:GetItemResponseMessage>
      </m:ResponseMessages>
    </m:GetItemResponse>
  </s:Body>
</s:Envelope>

在撰写窗口中，在消息正文中键入内容，然后使用 ctrl+S 或按带有磁盘映像的按钮保存消息
上一步的保存操作会修改ChangeKey项。发送以下 GetItem 请求以获取新的 ChangeKey

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<soap:Envelope
        xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
        xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
        xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"
        xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
  <soap:Header>
    <t:RequestServerVersion Version=\"Exchange2010\"/>
  </soap:Header>
  <soap:Body>
    <GetItem
      xmlns=\"http://schemas.microsoft.com/exchange/services/2006/messages\"
      xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
      <ItemShape>
        <t:BaseShape>IdOnly</t:BaseShape>
      </ItemShape>
      <ItemIds>
        <t:ItemId Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\" />
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>

成功的响应是返回新的 ChangeKey

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">
  <s:Header>
    <h:ServerVersionInfo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:h=\"http://schemas.microsoft.com/exchange/services/2006/types\" Version=\"V2018_01_08\" MinorBuildNumber=\"15\" MajorBuildNumber=\"5081\" MinorVersion=\"20\" MajorVersion=\"15\"/>
  </s:Header>
  <s:Body>
    <m:GetItemResponse xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <m:ResponseMessages>
        <m:GetItemResponseMessage ResponseClass=\"Success\">
          <m:ResponseCode>NoError</m:ResponseCode>
          <m:Items>
            <t:Message>
              <t:ItemId ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDEDV\" Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
            </t:Message>
          </m:Items>
        </m:GetItemResponseMessage>
      </m:ResponseMessages>
    </m:GetItemResponse>
  </s:Body>
</s:Envelope>

发送以下 EWS GetItem 请求以检查自定义 x-header 是否仍然存在。使用上一步收到的ChangeKey

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<soap:Envelope
        xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"
        xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"
        xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"
        xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
  <soap:Header>
    <t:RequestServerVersion Version=\"Exchange2010\"/>
  </soap:Header>
  <soap:Body>
    <GetItem
      xmlns=\"http://schemas.microsoft.com/exchange/services/2006/messages\"
      xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\">
      <ItemShape>
        <t:AdditionalProperties>
          <t:FieldURI FieldURI=\"item:Subject\" />
          <t:ExtendedFieldURI DistinguishedPropertySetId=\"InternetHeaders\" PropertyName=\"x-custom-header1\" PropertyType=\"String\" />
        </t:AdditionalProperties>
      </ItemShape>
      <ItemIds>
        <t:ItemId Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"
                  ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDEDV\" />
      </ItemIds>
    </GetItem>
  </soap:Body>
</soap:Envelope>

收到的 GetItem 响应不包含我们的自定义 x-header

<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<s:Envelope xmlns:s=\"http://schemas.xmlsoap.org/soap/envelope/\">
  <s:Header>
    <h:ServerVersionInfo xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:h=\"http://schemas.microsoft.com/exchange/services/2006/types\" Version=\"V2018_01_08\" MinorBuildNumber=\"15\" MajorBuildNumber=\"5081\" MinorVersion=\"20\" MajorVersion=\"15\"/>
  </s:Header>
  <s:Body>
    <m:GetItemResponse xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:t=\"http://schemas.microsoft.com/exchange/services/2006/types\" xmlns:m=\"http://schemas.microsoft.com/exchange/services/2006/messages\">
      <m:ResponseMessages>
        <m:GetItemResponseMessage ResponseClass=\"Success\">
          <m:ResponseCode>NoError</m:ResponseCode>
          <m:Items>
            <t:Message>
              <t:ItemId ChangeKey=\"CQAAABYAAACNVxNVF2AuQZAWaNgbSGc1AADrDEDV\" Id=\"AAMkAGQ2NjU3NGQ2LTFjMGItNGM1ZC1hMjMzLTM1YjUzYzYyZDY3NABGAAAAAABOqCUOqEzcRIky8XqnjNqxBwCNVxNVF2AuQZAWaNgbSGc1AAAAAAEPAACNVxNVF2AuQZAWaNgbSGc1AADrvkZMAAA=\"/>
              <t:Subject>test ews 3</t:Subject>
            </t:Message>
          </m:Items>
        </m:GetItemResponseMessage>
      </m:ResponseMessages>
    </m:GetItemResponse>
  </s:Body>
</s:Envelope>

您是否尝试过使用 MS 打开支持案例？您是否检查过任何其他 Exchange 服务器版本？它是否特定于特定的 Exchange 版本？
尝试改用Graph API。
如果图片没有更改，我建议使用 MS 打开支持案例。
抱歉，我只测试了一个 Exchange 服务器版本。
通常，如果您使用 EWS 修改服务器上的项目，然后在客户端上保存/发送该项目，则客户端在尝试解决冲突时会清除服务器上的更改。大多数解决方案都应该在客户端或服务器上完成所有操作，以避免此类问题。 Internet Headers Office.js API 对您有帮助吗？ docs.microsoft.com/en-us/javascript/api/outlook/…

标签： outlook exchange-server outlook-addin exchangewebservices outlook-web-addins

【解决方案1】：

检查您的电子邮件流如何？与任何电子邮件网关（例如设备、Exchange Online 等）一样，因为它能够通过规则删除 x-headers。

【讨论】：