Etsy developers have been digging deep into how to make email responsive across clients, particularly as half the company’s email is read on mobile devices. “If you’ve ever written an HTML email, ...

SparkPost has introduced an open-source email development tool called HEML. The offering, which allows users to code responsive emails, is one of several "standalone, platform-agnostic developer tools ...

The numbers speak for themselves: 47% of emails are now opened on mobile devices, according to a study of over 250 million opens worldwide by email analytics providers Litmus. That statistic speaks ...