Cut your review and approval process by 2 hours

Improve email collaboration across your team and cut review cycles with a single, centralized tool for building, testing, and providing feedback and approvals.

“Litmus Proof was a game-changer for us for team collaboration and efficiency; we no longer have to go through lengthy email threads to review an email. It has saved us an average of 2 hours on every email.”


Caitlin Murphy, Senior Marketing Operations Associate at ezCater

Spend less time on manual tasks and more time on driving results


Streamline the email review and approval process with Litmus Proof

Make it easy for stakeholders to mark edits and suggestions directly on an email design image file, animated GIF, or coded HTML draft to reduce review cycles. Keep track of all versions of email campaigns, including comments and approvals, to record all your email collaboration efforts.

Quickly share email proofs for faster review and approval cycles

Increase email effectiveness with better visibility and control

Assign specific reviewers and create designated groups to get the right people involved—whether they have a Litmus login or not. Plus, quickly share an entire folder of emails for quick email collaboration on complex, multi-email, and dynamic campaigns.

Preview of alerts sent to email stakeholders through Litmus’s slack integration to improve collaboration and efficiency.

Integrate to further increase collaboration

Save time and increase visibility into your email campaigns right where you work, with instant Litmus notifications in Slack. Instantly alert stakeholders when they need to take action—so you can keep your email production moving quickly.

What Users Are Saying On

Join the 700,000+ marketers who use Litmus to empower their entire team with a faster review process and more fluid email campaign collaboration.

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