Loading...
Copy
Loading...
Copy
Free Email Deliverability Test
Check your B2B email deliverability and see exactly where they land
Check exact inbox placement across Gmail, Outlook, Yahoo, and 30+ real inboxes.
Run consistent email deliverability tests to monitor inbox placement, catch issues early, and keep your emails landing where they should.
Trusted by high-performing B2B teams who rely on email for growth.
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 Deliverability Score.
Most email deliverability tests send your email to a single inbox, or a handful of consumer accounts. That gives you one provider’s opinion, not the full picture.
We test your emails across a balanced network of real Google Workspace and Office 365 inboxes, the same environments your prospects and customers use daily.
This gives you a true-to-life inbox placement score, not a biased estimate.
Because this isn’t a side feature. Deliverability is what we do
MailReach’s email deliverability test shows what others miss.
Why should I use
MailReach’s Deliverability Test?
Complete deliverability health check
Low placement across providers is an early warning sign. This email deliverability test surfaces reputation issues your ESP data won’t show.
Results that reflect real B2B delivery
Test against real Google Workspace and Office 365 inboxes, so your results match how your actual recipients experience your emails.
Placement trends tracked over time
One email deliverability test shows a snapshot. Running tests regularly shows patterns and helps you catch drops before they impact campaigns.
Automated testing + instant alerts
Schedule tests at your preferred frequency and get notified via Slack or webhooks the moment your inbox placement changes.
“A great deliverability booster”
“Complete game-changer for my cold email campaigns”
“Now I'm landing in the inbox 100% of the time”
“Best tool of the market for mail warming”
“Can't recommend it enough”
“Helped us multiply our cold emails reply rates x2”
MailReach’s Email Deliverability Test helps you figure out why you’re landing in spam.
Inbox Placement Score
See what % of your emails land in inbox vs spam vs promotions across all test inboxes.
SPF, DKIM & DMARC Check
Authentication issues silently hurt deliverability. This email deliverability test flags problems your open rates won’t reveal.
Domain & IP Blacklist Scan
Our email deliverability test checks if your domain or IP appears on blacklists—one of the fastest ways to lose inbox placement.
Links checker
Get alerted to insecure or broken links that can jeopardize your score.
Content & HTML Analysis
Detect spam triggers, broken links, poor HTML structure, and content patterns that reduce inbox placement.
Spam words checker
Find out if your email contains potential spam words.
Prioritized Fix Recommendations
Get clear, ordered actions so you know exactly what to fix first to improve deliverability.
Provider-by-Provider Breakdown
Understand how Gmail, Outlook, Yahoo, and others treat your emails individually—because each provider filters differently.
Run an email deliverability test in under a minute.
1
Add the test code to your email
This allows MailReach to identify your email across all test inboxes.
2
Send your email to the test inbox list
Testing across multiple inboxes gives you a real deliverability view—not a single-provider guess.
3
Get your email deliverability test results
See your inbox placement score, provider breakdown, and prioritized fixes instantly.
Pro tip: Test using the same sending tool, domain, and content as your actual campaign for the most accurate results.
MailReach works with the top email service providers.
Our free deliverability test is compatible with any provider. So is any manual test you run using spam test credits.
The automated deliverability testing works with any provider supporting SMTP.
If email drives your results, you need email deliverability testing.
Cold outreach campaigns
Inbox placement directly impacts reply rates and pipeline. Emails in spam or promotions = lost opportunities.
Business communication
Missed emails mean missed deadlines, broken trust, and lost deals.
Email marketing & newsletters
Open rates only matter if you reach the inbox. Deliverability testing shows the real reason behind performance.
Recruitment emails
Top candidates won’t respond to emails they never see. Inbox placement directly affects hiring outcomes.
Transactional emails
Invoices, OTPs, and confirmations in spam create support issues and churn. Catch problems before users do.
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 testing the deliverability of your email campaigns today.
Learn more about spam testing and deliverability best practices.
.webp)
Deliverability testing 101.
What is an email deliverability test?
An email deliverability test checks where your emails land—inbox, spam, or promotions—across multiple providers.
Can I test Gmail Promotions, Updates, and Spam folders?
Yes. MailReach shows placement across tabs and folders, including spam.
How is an email deliverability test different from warmup?
Testing shows where you stand. Warmup (👉 internal link) builds sender reputation so you land in inbox consistently.
How does an email deliverability test work?
You send an email to test inboxes. The tool tracks where it lands and analyzes your setup and content.
What is a good email deliverability rate?
90%+ inbox placement is considered strong. Anything lower needs investigation.
Who should use an email deliverability test?
Sales teams, marketers, agencies, recruiters—anyone relying on email to reach people.
How does an email deliverability test improve inbox placement?
It identifies issues (authentication, content, blacklists) so you can fix them before sending campaigns.
Why are my emails going to spam?
Common reasons include poor sender reputation, missing authentication, spammy content, or blacklisting.
Can I test email deliverability before sending a campaign?
Yes, and you should! It helps prevent poor performance before it happens.
How often should I run an email deliverability test?
Before every campaign and regularly (weekly or automated) for best results.
How long does it take to improve email deliverability?
Fixes can improve results quickly, but long-term improvement requires ongoing warmup and monitoring.
Run your email deliverability with the most accurate, free test.
Check where your emails are landing with MailReach’s free deliverability test.
Check your inbox placement across 35k+ real inboxes, see exactly where you land, and fix issues before they impact results.
Run a free email deliverability test now, or set up automated testing to stay protected continuously.
