Send one email to your personal test address. In seconds you'll see how mailbox providers are likely to treat it, with every problem explained and the exact fix.
Free email deliverability test
Send an email to the address below, then check your score.
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Your score is weighted the way mailbox providers weigh things: a failed signature or a blocklisting costs far more than a missing detail.
Proves the email really comes from you and wasn't changed on the way.
The open-source spam filter many servers run. See every rule your email triggers and what each one costs.
Your sending IP against 21 IP blocklists, and your domains against Spamhaus DBL, SURBL and URIBL.
Text and HTML versions, one-click unsubscribe, link shorteners, images, size and required headers.
TLS encryption, MX records, your bounce domain, server hostname and a consistent sender identity.
What separates good senders from great ones, plus a Gmail and Yahoo requirements checklist.
Test the email exactly as your customers receive it, not a simulation.
Every visitor gets a unique address, so your result is yours alone and can be shared with a private link.
Valid for 15 minutesSend it from the app, account or server you really use: your newsletter tool, your shop, your CRM or Outlook.
A real email, not a blank testA percentage out of 100, every check explained, and a short list of what to fix first. Download the PDF for your team.
Usually under a minuteIf your email is set up well, you'll see 100% and a clear "you can send".No invented problems. Every lost point comes with the reason and the fix.
Clearer than a mark out of 10: every point in the score maps to a specific check you can fix.
Everything providers check is in place. You can send.
Small refinements left, usually a stricter DMARC policy.
You'll mostly reach the inbox, but some mail may be filtered.
Real problems that send part of your mail to spam.
Your emails are likely to be filtered or rejected.
Your percentage is points earned ÷ points available × 100 across the five weighted categories. A SpamAssassin score of 0 or less earns the full 25 points; each SpamAssassin point above zero costs 5. A major blocklist costs 10 points, a minor one 3.
After your test, download a professional PDF report with your brand-ready results, ready to forward to your developer, IT provider or email platform.
Get practical guidance to identify delivery issues, improve your sending setup, and establish a more reliable email delivery process.
We use your details only to respond to your request. We never sell or share your information.
Tell us about your current sending setup and requirements. Our team will get back to you within one business day.
Anything else? Ask our deliverability team.
Yes. There is no sign-up and no card. You get your score, every check and the PDF report for free.
Send the email you actually want to deliver, from the same app, account or server you normally use: a newsletter, an invoice, a password reset or a normal Outlook message. A blank "test" email gives a misleading result, because filters look at your real content and links.
A percentage shows smaller differences clearly, and each point maps to a specific check. Authentication counts for 30%, SpamAssassin 25%, blocklists 20%, content 15% and sending setup 10%, so you can see exactly where the missing points are.
No test can guarantee that. A test shows how one email looked on the day it was sent. Gmail, Outlook and Yahoo also look at your sending reputation, how recipients engage with your mail and your complaint rate. A high score means your technical setup is right, which is the foundation for everything else.
It is analysed automatically and then deleted from our test mailbox. The result is kept for 30 days so you can share it with a private link, and is then deleted.
Since 2024, Gmail and Yahoo require bulk and marketing senders to include a List-Unsubscribe header with one-click support (RFC 8058). Personal and transactional emails, such as invoices or password resets, don't need it, so you can ignore that point for those.
Start with the "Fix these first" list on your result. It is ordered by how many points each fix adds. If you'd rather have an expert do it with you, request hands-on help.
One email, one minute, one clear score out of 100%.
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