Email verification is not enough.

Try the only all-in-one email validation and threat detection tool that’s powered by Blackbox and trusted by the world’s most respected email senders and vendors.  


11 Billion Emails Checked, Since 2015 

Customer Since 2016
Customer Since 2019
Customer Since 2020
Customer Since 2021


Trust your database again.

Identify Hidden Threats
Powered by Blackbox, the industry-leading risk-scoring technology, so you can finally identify bad actors of all stripes.  

Verify More Addresses
We perform multiple checks to ensure all your good email addresses are deliverable, active, and risk-free.  

Send with Confidence 
Finally, we clearly recommend which addresses you should send, so that you can get back to business.

Easy-to-understand results.

“Best Deliverability”

Emails with the highest deliverability and lowest threat scores.  

“Maximum Reach”

Emails with good deliverability and acceptable threat scores.

“Do Not Send”

Invalid email addresses or non-acceptable threat scores

You’ll also get the details, including quality scores and visibility into your subscriber’s mailbox provider.

The not-so-secret sauce.

For over a decade, top ESPs and CRMs, including Mailchimp, Brevo, Abobe, SharpSpring, and Oracle, have tapped the power of Blackbox, our battle-hardened email address risk-scoring technology, to protect their sender reputation—now you can too.

Start with 250 Free Credits

Reduce your risk and your blood pressure.

Amazingly Fast
Complete list hygiene in minutes.

Friendly Support
Experts are available by phone, email, or chat.

Completely Compliant
Built to be GDPR compliant from the get-go. 



       A world-class email list hygiene service from tried-and-true email geeks. Alfred rocks!
Andrew Bonar
Founder, emailexpert
       Price, performance, and useability. Alfred is the hands-down winner.
Chris Donald
CEO, InboxArmy


Resources to give you the inside track.

Looking to get ahead? We have expert guidance, timely resources, and helpful documentation. Learn More


See how it all comes together!

Whether you’re new to email list hygiene or have a well-established process, you’ll love Alfred.

Start Here!