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Email testing

Deliverability

Account

API

Spam Scores

Common questions

All questions
How many tests can I run?

Without an account you can run 2 tests a day. A free account gives you 5 tests a day, and Premium gives you 50. Limits reset on a rolling 24-hour basis. See plans.

What is SpamBarometer?
SpamBarometer is a service that helps you test your emails against common spam filters to ensure they reach your recipients' inboxes. By analyzing your email content, headers, and structure, we provide a comprehensive spam score and detailed recommendations to improve deliverability.
How accurate are the spam scores?
Our spam scores are highly accurate as they are based on real-world spam filter algorithms and machine learning models trained on millions of emails. However, please note that email deliverability can vary across different email providers and individual recipient settings.
How do I upgrade my subscription?
To upgrade your subscription, log in to your account, go to the "Account Settings" page, and click on "Subscription". From there, you can view available plans and complete the upgrade process.
Do you offer refunds?
Yes, we offer a 14-day money-back guarantee for all new subscriptions. If you're not satisfied with our service, contact our support team within 14 days of your purchase for a full refund.
Can I change my billing cycle?
Yes, you can switch between monthly and annual billing cycles. Annual subscriptions come with a discount. To change your billing cycle, go to "Account Settings" > "Subscription" and select "Change Plan".
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