Litmus is the all-in-one email marketing platform that provides the tools and solutions your team needs to make every send count.

Why should I choose Litmus? Litmus has led the way in email marketing for 20+ years. We help you spot email problems early by previewing exactly how they’ll appear on any screen or inbox. Plus, you …

Run a Litmus Test on every email campaign to check your links, images, tracking, and other critical elements before you send – and get guidance on how to fix any issues.

Discover how Litmus is the all-in-one email marketing solution helping leading brands achieve their business goals with essential email marketing tools.

Litmus is the email marketing solution that empowers teams to build, test, and optimize, all by empowering marketers to put email first.

Thousands of brands across every size and industry trust Litmus to send better email, faster. Join us at an upcoming event, conference, or view previous events on-demand. Here at Litmus, we help …

Oct 31, 2025 · Litmus is an all-in-one email marketing solution that helps you optimize and personalize every email to maximize your ROI and create exceptional brand experiences for every subscriber.

Ready to get started with Litmus? Get an overview of our platform, plus short videos on to get started with Litmus.

Learn how to send a test email from your email service provider (ESP) to your Litmus test address. You can also paste your HTML directly to run a quick test without spam test results

Litmus’ email marketing platform helps you build, personalize, test, review, and analyze every email you send more efficiently and effectively than ever so you can get the most out of every send.