Tracking Newsletter Reads with .NET
By: Joel Martinez on Monday, April 25, 2005
Reader Level: 
Do you maintain a newsletter? Are you a spammer with a heart so black it wilts flowers as you pass? If you answered yes to either of those questions then this article is for you. One of the biggest questions you will probably have when sending email to a large number of recipients is, "Is my email actually being read?" I will show you how to track whenever an email is opened (and by extension, read)
by using ASP.NET
This article will show you a technique you could use to track how many times an email is read by creating an image facade that ouputs an image, while at the same time running arbitrary code (a database update for example):
- Output an image using an HttpHandler
- Run two different pieces of code in parallel using Asynchronous Delegates.
Code is presented in C# and you do not need a compiler to use the code in the article download.
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