Primary, Promotions, or Spam? Find out first.
We open your email in real Gmail, Outlook, and Yahoo accounts. Forward a send — see exactly where it lands across the big three.
Free Gmail Primary Inbox Tester
- What decides whether I land in Primary or Promotions?
- Gmail sorts mail using signals like your content, links, images, sending history, and how subscribers engage. Marketing-style emails often land in Promotions even when everything is 'correct'.
- Can I guarantee the Primary tab?
- No one can promise Primary — and anyone who does is bluffing. But you can stack the odds: we predict where your email is likely to land and show what's pushing it toward Promotions.
- How do I test my inbox placement?
- Forward your email to your Mailtester address. We open it in real Gmail, Outlook, and Yahoo accounts and report the Primary / Promotions / Spam split.
€9.99 for AI deep-dives.
You forward it.
Paste the mailbox above into the test-send field in Beehiiv, Kit, Substack, Mailchimp — or your own inbox. Hit go. We never see your subscriber list.
We actually open it.
In real Gmail, real Outlook, real Yahoo. We watch where your email lands — Primary, Promotions, or Spam — using the same filters that decide whether your campaign worked.
You get a report.
Plain English. Three things to change, in priority order. Unlock the bundle and we generate a subject, body, and CTA rewrite in your voice — paste them back into your campaign before lunch.
Two different tests.
Most people mix them up.
If you've ever searched "email tester," half the results check whether the address is valid. We do the other thing — whether the email itself will reach the inbox once you press send.
You upload a CSV of subscribers. The tool tells you which addresses bounce. Great for cleaning a stale list before a re-engagement send.
You forward one email — newsletter, launch, client note — to a one-time mailbox. We open it in real Gmail, Outlook, and Yahoo and tell you which tab it landed in, plus what to rewrite before you send it to your list.
We check whether your sends will land. That's the whole product.
Free to score. Pay only for the AI deep-dive.
Forward any email and get the score — free and unlimited. Buy credits when you want the occasional AI deep-dive, or go €9.99/mo if you send regularly. Cancel from the same screen you upgrade on.
Send your next one to the inbox.
Takes less time than picking a hero photo. No card, no signup, no anything.