Get the best possible results from every campaign and email

If there’s one challenge every technology company faces, it’s finding ways to make email more effective. There are prospects to nurture, trial users to convert, new accounts to onboard, long-standing customers to engage with, and lapsed buyers to bring back. A single message can be the difference between lost sales and long-term loyalty. And not just for a handful of projects, but across dozens of campaigns to thousands of subscribers. You need a way to streamline and simplify—and to make sure your messages are heard. That’s why so many of the world’s leading technology companies rely on Litmus to build, test, analyze, and automate their way to better campaigns that get big results.


See how the email team at Covetrus uses Litmus to create exceptional email experiences with automated testing.

With Litmus technology integrations you can reduce errors and save time.

Integrate with ease

Simplify your marketing tech stack by bringing all of your email activity into one central location. Litmus integrates with all of the most popular email service providers—Marketo, Eloqua, Responsys, Salesforce, and Acoustic—plus Slack, Trello, and cloud storage solutions. We’ll help you streamline various tools into one seamless, automated workflow that lets you build, test, and analyze like never before.


Preview of Litmus email client testing tool to view in both mobile and desktop settings before sending.

Find and fix errors

Litmus lets you conduct quality assurance across thousands of highly segmented emails each month—without the need for a single instance of manual testing. Quickly catch and address potential issues with automated pre-send checklists and tests. You can spot check for broken links, fix funky formatting, and make sure your emails will make it past spam filters. All in one fast, seamless workflow.


Preview of Litmus Email Analytics which shows opens, privacy-impacted opens, read and engagement time, Dark Mode Usage, and more.

Engage at each stage

Leverage reliable insights to see what truly matters most to subscribers at each stage of their journey—and to communicate with customers in more meaningful ways. Litmus provides powerful analytics and insights you can use to improve personalization and segmentation with every send. Make more informed decisions with insights into the devices your customers use most, dark mode usage, and what content is most engaging.


Preview emails based on the latest updates to 100+ email apps and clients

Catch broken links, test spam filters, optimize load speed, and more

Use subscriber insights and advanced analytics to improve personalization

7 of the 10 top technology brands in the Fortune 500 trust Litmus to help them create incredible email experiences

Real Customers. Real Results.

“Our users couldn’t be more diverse—and so are the ways they read email. Litmus is instrumental to making sure we have a consistently great experience for everyone.”
Chris Kaundart, Email Marketing Manager at Trello
Read Their Story
Real Customers. Real Results.

“Litmus allows us to catch errors more easily, and helps us be more aware of how our emails look to our subscribers—insights we did not have before.”
Sean Kennedy, Product Marketer at Zapier
Read Their Story
Real Customers. Real Results.

“Litmus has transformed Namecheap’s email program. Proof truly streamlined the way we manage approvals, saving us 2-3 hours on each email campaign.”
Clinton Wilmott, Email Marketing Manager at Namecheap
Read Their Story
Real Customers. Real Results.

“I can’t even imagine working somewhere that didn’t have [Litmus]. I feel like if I had to go work somewhere that didn’t have it, I would just be lost. We use it every single day. It’s just so essential to what we do.”
Kelsey Hemstock, Email Marketing Specialist at iFit
Real Customers. Real Results.

“Litmus gives us great insight into how our emails render across different clients, which has reduced our QA testing time in the ever-changing landscape of email clients.”
Jamie Plankenhorn, Senior Email Marketing Manager at Zillow

What Users Are Saying On

It’s time to get more from your marketing—with a partner you can count on

Litmus empowers you with the tools you need to make every email marketing campaign more effective.