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Free Email Spam Test and Checker 2025
Check your spam score with the most accurate email spam test.
The most accurate spam test to uncover where your emails are landing.
Conduct consistent spam tests with MailReach to monitor your inbox placement and fix your spam score.
MailReach customers see
137%
Average Reply Rate Growth
19%
Average Revenue Growth from Email
MailReach customers see
137%
Average Reply Rate Growth
19%
Average Revenue Growth from Email
MailReach gives you the most unbiased Spam Score.
The average spam checker asks you to send an email to one address to test where you’re landing.
That’s not enough.
By sending your emails to multiple addresses and including a snippet of code, MailReach gives you more accurate and unbiased results.
We’ll tell you where you emails are going and share insights that help you lower spam rates.
Our advice is real, actionable and tailored to your content and setup.
Why should I use
MailReach’s Email Spam Test?
Monitor your inbox placement with rigorous spam testing.
MailReach’s email spam test is thorough, unbiased and adapted to the type of mailbox you target—personal, professional or all types.
No vague advice. Get real, actionable tips to stay out of spam.
Our spam checker flags any content that commonly triggers spam filters, checks your SPF, DKIM, DMARC records, links, HTML, image to text ratio and more.
Grow your revenue by improving email performance.
Conduct regular spam tests to optimize your email content. Improve open, click and reply rates, and convert more recipients into customers.
Get instant alerts on deliverability errors with automated tests.
Set up automatic spam tests at your desired frequency. Get instant notifications on Slack or your app through webhooks and stay on top of any deliverability problems.
MailReach’s Email Spam Test helps you figure out why you’re landing in spam.
Reliable spam score
Get an accurate, non-biased, spam score that covers all the major inbox providers.
DKIM, SPF & DMARC checker
Check if your SPF, DKIM & DMARC are properly set up.
Blacklists checker
Our email spam test checks if your accounts appear in blacklists.
Links checker
Get alerted to insecure or broken links that can jeopardize your score.
HTML checker
The email spam test also checks the complexity of your HTML.
Spam words checker
Find out if your email contains potential spam words.
Run a free email spam test in a few seconds.
1
Copy the code given by MailReach into the body of your email.
This helps us find your email across all the inboxes you’ll send it to.
2
Send your email to the list of inboxes provided by MailReach.
Sending the test email to multiple inboxes yourself is more reliable than sending it to a single one. Other tools forward your test email to more accounts and give you a biased result.
3
Click on ‘Get your score’ for your results.
You’ll discover your spam score, where your email landed in 30+ different mailboxes and recommendations to improve your score.
Pro tip: Run the email spam test under the exact same conditions as your actual email campaign, for the most accurate results. Use your campaign sending tool and the same email content.
MailReach works with the top email service providers.
Our free spam test is compatible with any provider. So is any manual test you run using spam test credits.
The automated spam testing works with any provider supporting SMTP.
If you’re sending emails to reach an audience, you need spam testing.
Cold outreach campaigns
Maximize ROI on your cold outreach campaigns by minimizing spam.
Business communication
Ensure all product communication and general emails hit the inbox.
Newsletters
Check whether your emails pass the spam test and monitor newsletter performance over time.
Recruitment emails
Don’t miss out on the perfect candidate for your client because of high spam rates.
Transactional emails
Help your customers with order confirmations, password resets, account alerts, payment receipts, subscription renewals, support ticket updates and more.
3000+ businesses trust MailReach to keep their emails out of spam.
Reviews from G2
“We’ve tried various tools and MailReach has definitely been the best for a number of reasons. They’ve really put so much thought into how spam filters work and are continuously adding features that none of the competitors are even thinking about to improve the product. I am seriously impressed and glad to be a client of theirs!”
“As a cold email expert, I always recommend using MailReach to maximize the reputation of an email address / domain. MailReach combines complex algorithms and email best practices to offer a very efficient deliverability solution.”
“We’ve tested many solutions and MailReach is definitely the most efficient email deliverability tool. MailReach helps us raise and maintain the deliverability of 20 email accounts. A great deliverability booster.”
Why everyone’s talking about MailReach
“My emails were at 35% deliverability and were all blocked by Microsoft when I started with MailReach. They not only helped me get the emails unblocked, they got me to a 92% deliverability within a week or 2. That's insane. Made a world of difference for my email deliverability.”
“Best deliverability solution. Better
deliverability, better sales
performance in the end. I used many tools before to solve my warmup issues. This tool is finally giving great
results.”
“MailReach is essentially a cutting-edge tool for making sure your emails get where they're supposed to go, without getting caught in spam filters. It's all about giving your email reputation a boost and offering a full package for keeping an eye on and improving how trustworthy your email appears, while also tackling any spam troubles that might pop up.”
“That’s simple, MailReach has helped us multiply our cold emails reply rates x2. It has became our life insurance.”
“Out of all the providers, MailReach has been one of the best that we have
used. From ease of use to setting up your mailboxes, to seeing detailed analytics it has been an overall positive experience to use and we have seen improvements with our mail delivery systems. Excellent Mail Warming Service.”
“MailReach is the most effective and user friendly cold email deliverability tool. Within a few weeks, we've seen great improvements on our outreach campaigns.”
Don’t let a spam filter get between you and your revenue goals.
When your email campaigns underperform, your entire funnel is hit.
You close fewer meetings, convert less and miss revenue targets.
Just improving your spam score affects your bottom line.
Start spam-testing your email campaigns today.
Learn more about spam testing and deliverability best practices.
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Spam testing 101.
What's a spam checker?
A spam checker is an tool designed to help people measure their deliverability and inbox placement and make improvements if something is wrong.
When you send emails, making sure to reach the inbox is crucial. That's why it's important to regularly measure your deliverability and check where your emails land to make sure your recipient receive them in inbox.
A proper spam checker helps you test your deliverability, see what your email lands on the major inbox providers and give you practical guidelines to improve your inbox placement.
What is our spam test tool checking?
First, our email spam test tool checks your inbox placement : where your email lands on Google, Microsoft and Yahoo mailboxes.
On top of that, it will also check your content for spam words, blacklisted domains, insecure or broken links, attachments, images, tracking pixels, HTML code, etc.
Lastly, MailReach's spam test tool will check your setup: DNS records such as your SPF, DKIM, DMARC and MX records. It will also analyze your reverse DNS, domain age and check if your domain or mail server IP are blacklisted.
What do I do with the email spam test results?
With the email spam test results, there are many things you can do.
First, you can share the email spam test report to anyone that might be interested to see it. It can be useful if you can’t make the changes recommended by MailReach and you need someone to do it for you.
Depending on the results you get from the email spam test, several scenarios can happen :
Best scenario : the email spam test gives you a 10/10 which means a perfect deliverability. That’s great. Make sure you have all the green lights in the “Checks” and “Setup” sections.
Second scenario : You have a lower score but all the lights are green. In that case, it can be a sending reputation problem AND/OR spam words that can’t be detected by MailReach AND/OR you sending tool (sending IP, tracking domain, etc.)
What you can do is running a new email spam test with a normal / casual email inviting someone for a call (two sentences max), without using any sending tool, to see if you get a better score.
Third scenario : the email spam test gives a lower score and MailReach gives you things you can improve. In that case, make the changes and run the email spam test again until you see improvements.
How to get a 10/10 email spam test score?
Having 10/10 on our email spam test means having a perfect deliverability with the email and setup you’ve tested.
First, you need to know that in some cases, you just can’t hit an email spam test score of 10/10 because of the type of emails you send. It does not mean you can’t have a perfect deliverability towards the inboxes you target with your email campaigns. Today, you can land 100% in the inbox on professional inboxes (Office 365, Google Workspace) and at the same time land in spam on personal inboxes such as Outlook.com, Gmail.com, Hotmail.com.
Why? Because they don’t filter spam the same way AND the big providers can mark as spam the fact you send business emails to a private inbox which is not supposed to happen.
In all cases, if you have an email spam test score below 10/10, the best things you can do to improve your score are:
- Make changes to your email and/or sending setup until the email spam test gives you a higher score.
- Raise your sending reputation with email warming if needed until you get a better email spam test score.
Is our spam checker completely free ?
Our Email Spam Checker is free for up to 3 tests per 24 hours. If you need to perform more tests, then you'll be invited to purchase spam test credits or subscribe to a monthly plan.
I send emails from different countries, do I have to do an email spam test several times?
Sending emails from different countries doesn’t mean you need to do several email spam tests.
Doing an email spam test several times is very useful to iterate and try to improve your spam score. But it’s not related to sending emails from different countries.
An email spam test should be done each time you change your email content (wording, links, images) and/or way of sending your emails (campaign sending tool, tracking domain, sending IP, domain, email address, etc).
Are the emails stored?
MailReach needs to store the emails to be able to make your deliverability reports available.
Is our free spam checker tool safe ?
Our free spam checker is 100% safe. There's no risk for you except landing in spam on our test which means your deliverability is damaged.
But that's what you want to check right? :)
Our spam checker doesn't harm your sender reputation nor your deliverability. It's simply a way to measure your inbox placement and see what you can improve.
What are spam test credits?
When buying a paid plan, spam test credits are used for inbox placement tests.
1 spam test credit = 1 inbox placement test with an associated deliverability report.
To put it simply, if you have 100 spam test credits, you can run 100 separate inbox placement tests and receive a deliverability report for each one.
