MailChimp is a great option for email marketing. Not only is it really user-friendly with well-tested mobile templates, it integrates well with a variety of CRM systems including Salesforce and CiviCRM.

MailChimp’s pricing stacks up nicely next to other platforms like Constant Contact. And if you’re a very small organization with fewer than 2,000 subscribers it’s free – you can send up to 12,000 emails per month at no cost.