http://y5wnzw4e6i7srm2gqadlow5anhlaj5avdkzbwzbmrxwkygxdp7ffieqd.onion/blog/bloatfree-wotd.html
Unlike, what I assume is standard practice, you do not need to sign up with an email and in fact you do not receive an email at all. It is a matter of you subscribing your RSS client to the feed. Look mom!