OS X :: How To Retrieve Mail?

I tried to reorganize my mail by using the advice on a previous post. In effect, all of my mail disappeared. Any ideas on how to retrieve my mail? Here is the previous post:Okay, here's what I'd do. Close Mail. Go to a folder named Mail in your Home's Library, open it, and drag everything inside it to a new Folder on your Desktop. This means everything (on your computer at least) is backed up.

Now, find a file named com.apple.mail.plist and drag it to the Desktop too.Okay, now when you open Mail, it should be like-new. Put in your .Mac account details again and re-download all your emails. If your problems are Mail-based and not .Mac-based, this should have solved them. Good luck and tell me if there are bits you don't like in what I've said and I'll try to make it clearer.