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
• Greasemonkey : Greasemonkey is a Firefox extension that allows you to customize the way webpages look and function.
• Litmus : Test and track your emails. Email previews, analytics and spam filter testing.
• sovereign : A set of Ansible playbooks to build and maintain your own private cloud: email, calendar, contacts, file sync, IRC bouncer, VPN, and more.
• Guide to CSS support in email clients : Designing an HTML email that renders consistently across the major email clients can be very time consuming. We've put together this guide to save you...