In the world of email marketing and managing email lists for small business owners, MailChimp is king. You can't beat their drag-and-drop editor, their social integrations, their generous 12,000 emails per month plan (FREE!) and their ease of use. We use MailChimp for dozens of clients that want seamless integration between their websites and their marketing plans, all while not breaking the bank.
If you're looking to develop an email list and to promote products or services with simple email marketing campaigns, we 100% recommend MailChimp. Check them out!