Email Spam Checker & Email Deliverability Test
Run an email deliverability test with our advanced email spam checker to identify spam triggers and improve inbox placement.
Send an email to the testing email address below.
Email, IP, Domain Blacklists
Check if your domain name, email address, or IP address is blacklisted. Ensure uninterrupted service for your users and subscribers.
Test Email Accessibility
Ensure everyone can read your emails with full accessibility checks. These email checks help you identify and address any potential barriers.
How Does Unspam Email Spam Checker Work?
Send
Copy the unique testing address generated for your session and send your email to it from the platform you actually use.
Score
View your results to see a clear spam score, with each warning expandable to learn why it fired, authentication, content, links, and more.
Preview
See exactly how your email renders on desktop, tablet, and mobile, plus an AI heatmap of where subscribers will actually focus and an AI assistant that suggests fixes.
Place
Run an inbox placement test across providers to confirm whether your email lands in the primary inbox, promotions, or spam.
Check Your Email for Spam Before Sending to Your Subscribers
A minor mistake, such as a typo or a broken link, can harm your credibility and reduce the effectiveness of your email communication. To address this, we've introduced an email spam checker, email deliverability tester, and a heatmap tool.
Email Spam Checker
Enhance your email deliverability using our email test tool. Unspam evaluates key elements of your email, provides an email spam score, and predicts outcomes using a heatmap of your email newsletter.
Use these deliverability test insights and our spam score to refine your strategy, ensuring your emails don't just land in the inbox, but also engage your readers.
Email Deliverability Test
Maximize your email impact with our Inbox Placement test tool: ensure your messages bypass email spam filters, navigate promotions tabs, and land directly in your recipient's primary inbox every time.
Test the email deliverability and optimize for prime delivery on Gmail, Outlook, Yahoo, and more email platforms.
AI Eye-Tracking Heatmap
Create more impactful campaigns and get better results with accurate data on where subscribers are looking and how they're reading your emails.
Email Preview
Ensure your email looks perfect for every recipient by using an instant preview for each device size, platform, and OS.
Inbox Placement Tests on Autopilot
Schedule a test once. Unspam runs it on your selected days, tracks your spam rate across inbox providers, and alerts you as soon as your placement starts to slip.
Pick the email, pick the days, and Unspam handles the sending. Every execution is stored. Every spam rate is graphed. When the number climbs, an email alert lands in your inbox before customer complaints do.
A Central Hub for Your Email Deliverability Tests
SPF
DMARC
DKIM
BIMI
Reverse DNS
List Unsubscribe Headers
Broken Links & Short URLs
Domain Suffix & Age
Meet Our Clients
Helping the world's best marketing teams maintain good sender reputation and email deliverability rates.
Testimonials
“Remove email from spam folder”
Unspam provides actionable insights for improvement, allowing me to make changes to my emails with confidence. This helps me ensure that our emails reach the inbox.
“Improve email deliverability, best tool!”
The heatmap is particularly useful because it shows you precisely which parts of your email pique interest and how to enhance them to increase CTR.
“Fixed spam issues with email checker”
Just a couple of emails and I've already fixed several deliverability issues. Wow, this is awesome.
Frequently Asked Questions
Everything we get asked about deliverability, spam scoring, and getting the most out of Unspam.
How do I run an email spam test?
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To run a spam test, send your email to our test address. You can find it at the top of this page. We generate a unique testing email address for every user, so you can rest assured that your data is protected and only you can see the results. After you've sent your email to our address, simply click 'Step 2: View Results' to see your results.
Can I use Unspam for free?
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Yes. Create an account and you get a monthly allowance of spam tests, email previews, heatmaps, and inbox-placement tests at zero cost, no credit card required. The exact monthly limits are listed on the pricing page so they always match what the plans page advertises.
How can I fix low deliverability rates?
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The first step in improving your deliverability rate is pinpointing the issues that may be causing it. We recommend testing every single email before sending it to your list. To ensure high deliverability rates, start by fixing any Errors and Warnings flagged after running an email spam test. If you're sure you followed best practices, but still struggle with low deliverability rates, speak with an email deliverability consultant.
Should I spam-test every email before sending it?
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Ideally, yes. Spam testing every email before sending it to your list will ensure that your technical setup is correct, your domain hasn't been blacklisted, and that the contents of your email won't trigger any spam filters.
Why are my emails going to spam instead of the inbox?
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Emails may go to spam due to:
- Spam-trigger words in subject lines or content.
- Missing SPF, DKIM, and DMARC authentication.
- A blacklisted domain or IP address.
- Poor sender reputation or engagement signals.
To fix these issues, Unspam.email provides expert deliverability consulting for businesses struggling with inbox placement. If your emails are still landing in spam, our team can analyze your email infrastructure, optimize your sender reputation, and implement best practices to improve deliverability.
What should I do if my emails still land in spam even after testing?
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If your emails still land in spam even after optimizing your content, testing your email with a spam checker, and ensuring proper authentication, the issue might be:
- A poor sender reputation from past blacklisting or spam complaints.
- Engagement-based filtering by Gmail, Outlook, or Yahoo.
- A misconfigured mail server or DNS records.
How do I improve my email spam score?
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A lower spam score increases the chances of landing in the inbox. To improve your email spam score:
- Avoid spam-trigger words like "Free Money," "Act Now," or "Exclusive Deal."
- Authenticate your emails with SPF, DKIM, and DMARC records.
- Use a professional domain instead of free email providers like Gmail or Yahoo.
- Keep a balanced text-to-image ratio to avoid spam filtering.
- Remove broken links and ensure your domain is not blacklisted.
Use a spam test tool to analyze and adjust your email before sending.
Why is my email still landing in spam even after passing spam tests?
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Even if your spam score is low, emails can still land in spam due to:
- Recipient behavior: If users frequently delete or ignore your emails, Gmail, Outlook, or Yahoo may classify them as spam.
- Domain reputation: If your domain has been flagged before, inbox placement may still be affected.
- Poor sender IP reputation: Even if your content is clean, a shared or previously blacklisted IP can impact deliverability.
- Overuse of promotional content: Emails with too many images, links, or sales-driven language often trigger spam filters.
The best way to ensure inbox placement is to build an engaged audience, warm up new sender addresses, and monitor your email reputation over time.
Test your next campaign before you hit send.
Free spam check, deliverability score, and an AI action plan, all in under 30 seconds.