Sounds like it's your first game. Maybe you don't want to expose it to the world. Heh heh, just kidding. Use any file hosting website like http://www.megaupload.com/ or http://www.rapidshare.com/ to upload your game and then paste the link to whomever you want to download the game.

As an aside, I was looking at developing a commercial game. What's a good service for selling digital downloads? I was looking at http://home.plimus.com/ecommerce/ but I was wondering if there were better options. I would love a service that could deposit to a Canadian bank account.