Boomtrain and Litmus

Optimize every email for the apps and devices your subscribers use.


  • View previews of your emails on phones, tablets and mail clients that your customers use
  • Test email previews to optimize every customer’s viewing experience


Emails render differently across devices, mail clients and platforms. With Litmus, you can instantly preview and test emails on 50+ clients. Testing across these channels is an essential step to ensure that you are creating the most uniform, optimized visual and responsive experiences for every channel. Using Litmus to test your campaigns improves email deliverability by analysing content, IP reputation and sender verification before campagins are sent out.