{"id":8173,"date":"2026-07-17T00:09:50","date_gmt":"2026-07-17T00:09:50","guid":{"rendered":"https:\/\/www.warmy.io\/blog\/?p=8173"},"modified":"2026-07-17T00:09:52","modified_gmt":"2026-07-17T00:09:52","slug":"email-health-score-explained","status":"publish","type":"post","link":"https:\/\/www.warmy.io\/blog\/email-deliverability\/email-health-score-explained\/","title":{"rendered":"What Is an Email Health Score and How to Improve It (2026)"},"content":{"rendered":"\n

An email health score, also called an email deliverability score, is a numerical rating, typically from 0 to 100, that measures how likely your emails are to land in the inbox. It combines your sender reputation<\/a>, authentication setup<\/a>, list quality, engagement, and blacklist status i<\/a>nto one figure you can track and improve.<\/strong><\/p>\n\n\n\n

Roughly one in six commercial emails never reaches the inbox. The frustrating part is that most senders cannot see why. An email health score turns a scattered set of technical signals into one number, so you know at a glance whether providers trust you. Warmy is an AI-driven email deliverability platform that calculates a health score for your domain and shows what is holding it back. You can see where you stand today with a free email deliverability test<\/a>, then work through the fixes below.<\/p>\n\n\n\n

How an email health score is calculated<\/strong><\/h2>\n\n\n\n

An email health score is a composite metric. A tool gathers several deliverability signals, weights them, and rolls them into one number on a 0 to 100 scale. Most reputation systems calculate the figure on a rolling 30-day window, so recent sending counts more than older activity.<\/p>\n\n\n\n

The exact formula varies by provider, and Validity does not publish the weights behind Sender Score. The inputs stay consistent across tools. A typical score reflects sender reputation, domain and IP authentication, list quality, recipient engagement, spam complaints, and blacklist status.<\/p>\n\n\n\n

Scores are read in bands rather than as a precise grade. The table below reflects the ranges Validity publishes for its Sender Score, which most 0 to 100 deliverability scores follow closely.<\/p>\n\n\n\n

Score range<\/strong><\/th>Rating<\/strong><\/th>What it means<\/strong><\/th><\/tr><\/thead>
90 to 100<\/td>Excellent<\/td>Strong trust from mailbox providers; mail consistently reaches the inbox<\/td><\/tr>
80 to 89<\/td>Good<\/td>Solid reputation with minor issues worth watching<\/td><\/tr>
70 to 79<\/td>Acceptable<\/td>Warning zone; deliverability is starting to slip<\/td><\/tr>
Below 70<\/td>Poor<\/td>Filtering or blocking is likely; reputation needs repair<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

What affects your email health score<\/strong><\/h2>\n\n\n\n

Six factors move the number more than anything else.<\/p>\n\n\n\n