Free Email Reliability Checker

Quickly filter out bad & unreliable emails, and save money.

Drop up to 10 email addresses in the text area above. Make sure there's only one per line.
We take care of empty lines and duplicates.

“He has just downloaded 364,832 emails!”
Click here to see how >>

Hundreds of professionals use our products:

What is the free email reliability checker?

The Email Reliability Score evaluates an email’s validity and quality between 0 and 100, helping you filter out bad addresses before paying for a full email verification service like ZeroBounce or Usebouncer for example.

How It Works In Short

✔ Email format validation
✔ Detects disposable email domains
✔ Uses MX validation and heuristic catch-all detection
✔ Domain reputation check
✔ Suspicious patterns AI check

Save some money in your email list verification process

Use this tool as your first line of defense: filter out the bad emails before paying for a deeper verification step.
Only pay for deeper checks on the emails that have passed this initial reliability test.

Works best with emails found in findmassleads database!


Here's an example of reliability scores:

Free Email Reliability Checker result example

romain findmassleads
Used correctly, email is still one of the best tools to find customers.
I've personally used it a lot to grow another saas from thin air to $2000 in MRR in weeks.
You already know it but I say it again: personalization and relevancy will always win over mass generic emailing.


Romain Carpentier
Founder of findmassleads | On a mission to help your business grow with data

How to use this free email reliability checker tool?

Use our free bulk email finder tool to find dozens of emails.


Just drop the email addresses in the text area above. Make sure there's only one email address name per line.


(The tool cleans them up and takes care of possible duplicates.)


Don't use it to spam people. Do your research before sending. Only keep good prospects for your product / service. It's a tool to do good. Not to do stupid things. Check your sender email address deliverability, use SPF and DKIM, be serious about the value you bring, have a good copywriting...

... and you will succeed :) !


We've used cold email a lot with good results. You can do it too.


What else would you like to see? We listen to you :)!

More details about the email reliability checker

Clean your email list before a cold email marketing campaign

This free email reliability checker helps you quickly determine if an email is valid, trustworthy, and likely to receive messages. Unlike traditional email verifiers that rely on slow and often blocked SMTP checks, this tool performs a syntax check, DNS and MX checks and uses real-world web data as well as an AI pass to assess whether an email is worth verifying further.


Why is this useful? By filtering out the worst email addresses upfront, you save time and money. You can focus your resources on emails that pass the reliability check, and for those that don’t, you can perform deeper verifications only where needed.


How does it work?

This free tool analyzes email addresses and calculates an Email Reliability Score for each based on:


Why use this tool? What are the real benefits?


Use it for: lead validation / email marketing cleanup.

Try it now & filter out emails that score less than 90 for example before you invest in deeper verification.

Again, works best with emails found in findmassleads database!

Manifesto

In business, I really believe we have to be a trustworthy and benevolent adviser for our clients for life.


Yes! For life.


This is how we see it: long term.


Here at findmassleads, we do not work on urgent things. We work on important things.


No shiny word. No bling bling. No enterprise jargon.


You are a committed entrepreneur? With ambition and integrity?
We are committed to providing you with useful data. Data which can really help you generate more business sustainably.


Real Engagement!


Romain Carpentier, founder of findmassleads

Generate more sales with findmassleads!

Download interesting leads for your business now with the free version: