Could you please go into more detail, because it is hard to find out what actually happened without more information.
I asume, that you have an ISP hosting your domain? So your provider will most likely receive your email, but this doesn't mean, that you automaticly will get it on you machine at home.
You will have to configure something like fetchmail to retrieve your email from your provider or your provider needs to have a properly configured MX Record in his DNS configuration pointing to your machine and your machine has to be on all the time.
I don't know how much you actually know about email and it's transport and I definitely don't want to look patronizing, but I couldn't find out more from your previous post...
...tell me/us more and I/we will be happy to help you out
cheers,
A08