Company Overview

Litmus makes email testing easy, allowing you to preview your campaigns across 30+ real email clients.

Agencies, designers and marketing teams worldwide use Litmus’ web-based email testing and tracking solutions to test, target and optimize their campaigns. Our products help you understand how subscribers view and interact with your messages, enabling teams to focus testing efforts and gain insight into subscriber behavior. View compatibility in major desktop, webmail and mobile email clients, scan content and reputation against server-side and ISP filters, and discover where and how your audience is reading messages.


Preview your messages against major email clients.

Act-On Integration

Act-On’s integration with Litmus lets you preview your messages against major email clients before launching out to customers. By simply entering your existing Litmus account information into Act-On, you can generate previews of any message from the Tests menu inside Act-On’s Message Compose window.


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