GetResponse is popular email marketing software with more than 1 billion subscribers across the world. It prides itself in being easy to use – you don't have to know how to code to get it to work.
GetResponse is excellent for email marketing, newsletters, landing pages, webinars and autoresponders. It has a very good tracking module – you can see what's happening with your campaign from hour to hour.
The free version allows you to engage with up to 1,000 subscribers and all clients get live support. It integrates easily with other marketing software so it will fit right in with your existing setup.