Do you know your Sender Score?

Understand your sender reputation. Learn how to improve it.

What is a Sender Score?

Your Sender Score is like a credit score to gauge your credit worthiness but for email: It measures the health of your email program. Sender Score is a number between 0 and 100 identifying the quality of your sender reputation and details how mailbox providers view your IP address.

Mailbox providers take a lot of metrics into consideration to determine your sender reputation including spam complaints, how many unknown users you email, if you’re on any industry blacklists, and more.

What Does My Sender Score Mean?

Whether you are on the high or low end of the Sender Score spectrum, there’s always room for improvement.


If your Sender Score is below 70, you need to repair your sender reputation. Download the Fundamentals of Email Marketing to understand the criteria mailbox providers use to determine which senders reach the inbox and how to improve your performance.


Continue following industry best practices and optimizing your email program. Download the Secrets of Best in Class Senders to learn how to build and run an effective email program.


You have a great sender reputation, and you may qualify for our Certification program, providing you preferential treatment at major mailbox providers. Learn more about the Sender Certification program.

Secrets of Best-in-Class Email Senders

Becoming a best-in-class sender requires marketers to optimize every aspect of their email program continuously. While there is no quick fix, hidden workaround, or monetary investment that can guarantee access to the inbox, there are many concepts—“secrets,” if you will—that best-in-class senders know and use to their advantage.

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Featured Resources

Report: Fundamentals of Email Marketing

This guide lays out the foundation of email marketing, giving you the insight you need to understand how email marketing works.


Webinar: State of Email Live

Join us every month as we discuss email in today’s changing world. Each show, we'll share current metrics updates and changes as well as host guests from the industry.


Case Study: Hickory Farms

Learn how this gourmet food retailer achieved a near 100% inbox placement rate and drove significant growth in revenue for their highly seasonal business.


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