Litmus is now part of Validity EngageYour entire email workflow in one AI-native platform

  • Move faster with AI-assisted email building and testing across 100+ email clients.
  • Catch errors before subscribers do with 24/7 monitoring of deployed emails.
  • See exactly where your campaigns land and fix problems before they cost you revenue.
Meet Validity Engage

50% increasein conversion rate

< 48 hoursto find and fix a blocklisting error

50% decreaseIn review and approval time

68% decreasein email error rate

4.5 stars 4.5 stars From 10,000 reviews onTrustRadiusG2

Everything you need to create memorable email moments

Litmus works alongside your ESP to help you create campaigns your subscribers will love.

Benchmark your sends against millions of real emails. Spot what’s trending right now and pull it straight into your own campaigns.

Design on-brand templates for quick email creation across teams, and test how your emails look before they reach inboxes.

Get 24/7 alerts for issues that might impact your subscriber experience, like failing links and broken renders from client updates.

Sharpen email targeting and advance your personalization using clean, verified contact data—automatically.

Upgrade your deliverability stackDon’t settle for the status quo.

Get deeper deliverability insights and reputation monitoring, now part of Validity Engage.

  • Gain full visibility of inbox placement, domain reputation, and engagement patterns that impact ROI.
  • Safeguard your email reputation (and bypass spam filters) by joining the industry’s most exclusive email allowlist.
  • Get competitive intelligence and email/SMS inspiration from leading brands.

It’s time to send better emails

Join hundreds of thousands of marketers around the world who rely on Litmus from Validity.

50% less time spent testing emails

Take the stress out of hitting “send”

Quickly preview your email in 100+ clients and devices and fix errors fast.

80% of users prefer buying from brands that personalize

Increase revenue with email personalization

Drive ROI with no-code live polls, personalized images, countdown timers, and more.

2+ hours saved on review time for every email

Get time back with shorter review cycles

Cut review time in half with a centralized place to collect feedback and approvals.

90% reduction in emails sent to spam

Clear your path to the inbox

Get next-level deliverability analytics and insights so your emails land every time.

Your all-in-one email marketing platform

Create effective emails that make a lasting connection

Get started