英文:
Do web based on-send add-ins work in conjunction with COM add-ins that use the ItemSend event like Proofpoint?
问题
我们有一个基于Web的Outlook附加组件，它不是智能提醒，运行良好。
我们的客户使用Proofpoint，这是一个Outlook COM附加组件，会在特定情况下（比如有附件时）在外发电子邮件的主题中添加"[secure]"。
这两个附加组件分开使用时没有问题，但当它们一起使用时，Proofpoint COM附加组件无法将"[secure]"关键词插入外发电子邮件的主题中。我们的基于Web的附加组件会正常调用。
我们如何诊断出了什么问题？是否有规定的顺序来运行附加组件（例如，所有COM附加组件是否总是首先运行）？多个附加组件是否都可以修改外发电子邮件？
英文:
We have a web based on-send Outlook add-in (not Smart Alerts) that works well.
Our client uses Proofpoint, an Outlook COM add-in that appends "[secure]" into the subject of the outgoing email under certain circumstances (like if there's an attachment).
The two add-ins work fine separately, but when used together, the Proofpoint COM add-in fails to insert the "[secure]" keyword into the subject of the outgoing email. Our web based on-send add-in is called normally.
How can we diagnose what is going wrong? Is there a defined order for which add-ins run when (for example, do all COM Add-Ins always run first)? Can multiple add-ins both make modifications to the outgoing email?
答案1
得分: 0
你不能对其他软件供应商负责，只有Proofpoint的开发人员才能解决类似问题。没有明确的原因说明为什么特定的插件在Outlook中无法正常工作。
是的，所有插件是按顺序依次运行的，因此链中的每个插件都可以修改项目。在你的情况下，我建议你联系Proofpoint的开发人员来解决他们软件的问题。没有其他人可以提供帮助。
你可以尝试创建一个样本的COM插件，在ItemSend事件处理程序中修改Subject行，看看它是否与你的Web插件一起正常工作。如果这样能正常运行，问题可能出在Proofpoint这一方面。
英文:
You can't be responsible for other software vendors, only Proofpoint developers can troubleshoot issues like that. There is no explicit reason why a particular add-in fails to do its job in Outlook.
And yes, all add-ins are run one after another (sequentially), so each add-in in the chain can make modifications to the item. In your case I'd suggest contacting Proofpoint developers for troubleshooting the issue with their software. Nobody else can help.
You may try to create a sample COM add-in where in the ItemSend event handler you can modify the Subject line and see whether it works with your web add-in. If that works correctly - the issue is on the Proofpoint side.
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