Constant Contact Litmus

Sign up to instantly unlock 90+ email clients and 1,000+ Email Previews

You’ve already experienced the power of Litmus Email Previews in Constant Contact; now it’s time to take it to the next level. Test your emails in dozens of the most popular email clients and devices, plus get access to the world’s best email creative tools when you sign up for a Litmus account.

Choose your plan and make building, testing, and troubleshooting your email easier than ever before.


$79 / mo

billed annually

  • 1 user

    Add anyone involved in the email creation and approval process up to plan limits.

  • Email Previews

    Get 1,000 screenshots/month in popular email clients, including key international webmail clients, to ensure your emails look great everywhere.

  • Builder

    Build and preview your email in real-time, plus utilize reusable code snippets and templates to save time and reduce errors.

  • Checklist

    Get a guided check of the most critical elements that affect email performance, like campaign load time and broken links

  • Code Editor Integrations

    Preview and troubleshoot your emails right where you build with seamless integrations between Litmus and any local code editor, like Dreamweaver or Sublime.

  • ESP Integrations

    Save time producing and troubleshooting your campaigns with seamless integrations between Litmus and your email service provider (ESP).

  • Spam Testing

    Quickly identify issues pre-send that could impact your deliverability—and get actionable advice for how to fix them.

  • Email Analytics

    Optimize your campaigns with subscriber-level insights to improve segmentation and targeting strategies.

  • Litmus Proof

    Streamline email reviews and approvals. Improve collaboration and increase team efficiency.

Once signed up, you can make account changes at any time—no hassle and no questions asked.

Litmus is the easiest way for teams to create great email for every subscriber, everywhere. Learn more.