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
• Substack : Substack is an online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.
• 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...
• Mail-in-a-Box : Each Mail-in-a-Box provides webmail and an IMAP/SMTP server for use with mobile devices and desktop mail software. It also includes contacts and calen...
• Tutanota : Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service based on this software