Why are fewer of my emails passing Findymail verification?
The Findymail help pages give 3 common reasons. The first to rule out: Each check reflects the address as it is today, so an address that has stopped working since the last check can fail now.
What causes it?
Each check reflects the address as it is today, so an address that has stopped working since the last check can fail now.
In the Findymail help:
Findymail verifies emails in real-time at the moment you submit them, not against an outdated database.
Email Verifier: Verify Emails & Catch-All Domains | Findymail, read 2026-11-12.Temporary or throwaway addresses are taken out of the results, so lists that hold many of them pass fewer emails.
In the Findymail help:
temporary/disposable email addresses
Email Verifier: Verify Emails & Catch-All Domains | Findymail, read 2026-11-12.Shared role addresses and other risky ones can be taken out, so a list full of them shows fewer safe emails.
In the Findymail help:
risky and role-based addresses that affect delivery
Email Verifier: Verify Emails & Catch-All Domains | Findymail, read 2026-11-12.
How do I check it myself?
Download the results to see which addresses were judged deliverable and which were marked risky.
In the Findymail help:
Download your results as CSV: deliverable emails and risky addresses, ready to use in your CRM or outreach tools.
Email Verifier: Verify Emails & Catch-All Domains | Findymail, read 2026-11-12.Compare the verifier credits used with the size of your list, since every address checked uses a credit whether it passes or not.
In the Findymail help:
1 verifier credit per verification, whatever the result.
Findymail API documentation, read 2026-11-12.
How does Findymail work with Feder?
- Connect Findymail to Feder and it joins your Interest apps.
- When you connect Findymail, Feder checks the connection straight away and shows Connected only when that check passes. If a reading cannot be taken later, Feder shows it as not read, never as zero.
Some numbers are too quiet to judge daily, such as a form filled in a few times a week. Until there is enough of your own history to judge a change, Feder says it is still learning and scores nothing, rather than guessing.
See whether you can trust the numbers in Findymail, one of your Interest apps. Feder only reads. It never changes anything in Findymail.
What else goes wrong with these numbers?
- Why did Findymail find fewer emails than usual?Findymail
- Why did Findymail find fewer phone numbers than usual?Findymail
- Why did Google Analytics stop collecting data?Google Analytics
- Why aren't my key events showing in Google Analytics?Google Analytics
- Why does Google Analytics show (not set)?Google Analytics
See every question.
Where do these answers come from?
Every cause and check on this page comes from the Findymail help pages, quoted above with the date we read them. Last reviewed 2026-11-12. We read them again by 2027-11-12. If one changes, this page changes or comes down.