Know your sender reputation.
Know how to improve it.

Return Path Sender Score is a comprehensive reputation measurement covering email senders worldwide.

Enter an IP address or domain

Please enter an IP address or domain name.

Get free access to the full Sender Score reports for an IP or Domain by registering for an account.

Featured Resources

Guide

Secrets of Best in Class Email Senders

Learn More

Research

The Hidden Metrics of Email Deliverability

Learn More

Guide

Get to Know Return Path

Learn More

We Know Email

We’re the experts in deliverability and driving results for your email marketing.

Request a Demo

Latest Email Optimization Posts



Birthday Emails – Recognizing Your Subscribers on Their Special Day

Read More



How Your Unsecure Webform Could Impact Email Performance

Read More



3 Trends Impacting Email: Hyperpersonalization, Part 3

Read More