Protect Your List & Stop Bots
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Connect your email marketing system in seconds and get instant protection. No spreadsheets, no fake signups, no tech headaches. Pure results.

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Works seamlessly with

Integrated with Keap
Integrated with HighLevel

and more on the way! Join the waitlist to be first in line.

"ListDefender Saved Our Business! Our email deliverability plummeted and our business was slowly being choked out and no one could identify what was going on. ListDefender identified the issue immediately and stopped the bots, removed the bad accounts, and got us back on track."

- Kaileen Sherk

Trusted Solution
Your data is encrypted and secure
We'll never share or sell your email addresses
Used to clean 275M+ emails and block 1.35M+ bots
What Happens Next
1
Connect Securely

Plug in your Email Marketing System/CRM in under a minute.

2
Choose Your Protection

Pick your level of protection, engagement and form filters.

3
See Results Fast

Every contact is tagged red, yellow or green for clarity.