How do I submit an internet radio station to iTunes Radio?

Hi,

I have an online radio station called Nature's Channel.FM

I'm trying to submit my station to iTunes. The instructions I have are the most recent I can find and they say to email itunesradio@apple.com putting "station submission info" as the email's subject. You will get back an auto-response .

I've tried this three times. The first time I got an undeliverable return. The other two went unanswered altogether. I was unsure if the " were supposed to be in the subject line so I tried both ways - still nothing.

Does anyone have any additional 'how to' info?

Thank you,

Christine