在转发/回复时保留Outlook mailItem属性（互联网标题）不被删除 [英] Keep Outlook mailItem property (internet header) from being removed when forwarded/replied

问题描述

我试图启动由同一个ID定义的邮件线程（ID需要是与我们数据库中的ID相同的特定值）。我可以像这样分配一个自定义Internet头：

  sendMail.PropertyAccessor.SetProperty（http://schemas.microsoft .com / mapi / string / {00020386-0000-0000-C000-000000000046} / DCPID，taskId）; 
  

其中sendMail是 olMailItem 和 taskId 是需要的id。

当这封邮件发送并收到时，我可以用 GetProperty 方法，但是当转发或回复时，互联网标题被删除，我无法再访问此属性。

是否有办法让您的自定义网络标头不被移除，无论它在哪里？

解决方案

否，回复或转发时无法保留自定义邮件标题。

I'm trying to start up a thread of mails defined by the same ID (ID needs to be a specific value equal to the one in our database). I can assign a custom internet header just fine like this:

sendMail.PropertyAccessor.SetProperty("http://schemas.microsoft.com/mapi/string/{00020386-0000-0000-C000-000000000046}/DCPID", taskId);

Where the sendMail is an olMailItem and taskId is the id needed.

When this mail is sent and recieved I can get my ID with the GetProperty method but when forwarded or replied the internet header gets removed and I can't access this property anymore.

Is there a way to keep your custom internet header from being removed, no matter where it goes?

解决方案

No, there is no way to preserve a custom message header on reply or forward.

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