ASP.NET MVC：新线程中的异常呈现视图

I want to create a process in my ASP.NET application that I trigger manually and will send a bunch of emails to my users. Since this process takes a while I am creating a new thread to send these messages and prevent having timeouts in my web app. (I know this is error prone in case the app pool is recycled or there's an unhandled exception in the app, but that's another subject).I want to create a process in my ASP.NET applic