This a fairly basic question, I imagine. I already have a form saying 'sign up to join my newsletter' linked to Mailchimp on every page of my website www.timvicary.com but I would like a different form on my blog page where readers sign up to receive blog content. Is this via the Mailchimp RSS campaign link, or another way?
If you are searching for a simple email subscription without a paid marketing service, then you can use Jetpack subscriptions. A good tutorial is explained in this page
Skip to the Jetpack section, Or you can also use a wordpress plugin for email subscriptions with more control over the newsletters and subscription using