If you have gone through articles about setting up and using email response then you must be having an idea that debugging email Response is a nightmare, if you don’t know where to look.
Personally what I do is to increase the log level of Inbound Communication Receiver Component to 5 and then go through the logs that are generated but it is time consuming and difficult.
While going through metalink I found this really useful article explaining the process of debugging email response in detail so, sharing the link here for everybody’s reference








metalink is no more, now we have fancy flash MOS