26/07/2015

• mail-tester.com : Free online service that allows you to test your emails for Spam, Malformed Content and Mail Server Configuration problems
• Dada Mail : Dada Mail is a Contemporary Mailing List Manager, enabling you to easily run a verified mailing list that your subscribers can trust, right on your ow...
• Maily Herald : Maily Herald is a Ruby on Rails engine that helps you send and manage your mailings. Think of Maily as a self-hosted Mailchimp® you can easily integra...
• Tutanota : Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service based on this software
• Substack : Substack is an online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.