Publish your podcast through iTunes
How to publish your podcast through iTunes After you’ve uploaded your XML and audio files, then your podcast is, technically speaking, available for anyone to subscribe to. Just like if you had a URL for a web page, you could just type it in to your web browser to get there, you can use iTunes to get to your podcast with just a URL.
In iTunes, go to the Advanced menu, and then choose Subscribe to Podcast. Learn how to publish your own podcast through iTunes with this how-to.