Add a Benchmark Email signup form to your sidebar. You can also manage lists, and edit and email your blogs to subscribers.
Do I need a Benchmark Email account for this widget?
Yes, you need to have a Benchmark Email account. If you don't have one, you can sign up for a free trial account. Learn more about Benchmark Email
Where can I see the subscribed emails?
The contacts are saved in your local wordpress account. You can then add them to any of your Benchmarkemail contact lists. In addition you can import the contacts from your BenchmarkEmail account into your WordPress account.