首先，很抱歉，我的英语不是很好

First, sorry but my English isn't good

我们需要开发一个应用程序，让管理员用户管理横幅，这些横幅可以放置在页脚中体公司的电子邮件。

We need develop an app that lets an admin user manage banners, and these banners could be placed in the footer-body of the company's emails.

在公司，他们使用Outlook和我们一起工作的 C＃.NET 3.5

In the company they use Outlook and we work with C# .NET 3.5

我觉得有点像一个听众不是能赶上在Exchange服务器，或类似的东西可能会被安装在客户端的代理上的某​​些事件的电子邮件，但我不知道的实现可能性。

I think in something like a listener than could catch the emails in some event on the Exchange Server, or something like an agent that could be installed in the clients, but i don't know about the implementation possibilities.

的横幅信息可被存储在DB中，管理员可以使用web接口

The banners' info could be stored in a DB and the admin could use a web interface.

在此先感谢！

推荐答案

最后，我曾与VSTO

Finally i worked with VSTO

VSTO Outlook中嵌入图像的MailItem

VSTO的Outlook ItemSend用C＃

感谢大家