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
• Email Standards Project : The Email Standards Project is about working with email client developers and the design community to improve web standards support and accessibility ...
• SquirrelMail : SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages...
• 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...
• Tutanota : Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service based on this software