I'm having a problem with my email sign up form on my blog. It was working, but now it has stopped working.
You can see it in the sidebar here: [obscured] /blog/
And below the blog post here: [obscured] /blog/the-referral-engine-changed-my-business/
And on this page: [obscured] /blog/newsletter/
I'm using the OptInSkin Plugin to display the...