Well, it's been a very frustrating journey trying find a proper solution so readers can be notified of content updates via email, but hopefully i've solved the problem once and for all. This is important to me because i insist that people have the option to be notified when content that they're interested in is updated. This is particularly important for readers of my various guides, especially my Firefox configuration guides.
The option to be notified by email is available on certain pages that i tend to update more often. Some more details here.