Email Verification for Cold Email
Send without getting blocked
20-40%
of cold email lists contain invalid addresses
2%
maximum bounce rate before reputation damage
98.4%
verification accuracy with SMTP checks
The Problem
Cold email lists decay fast. Prospect databases have 20-40% invalid addresses. Sending to these addresses causes hard bounces, triggers spam filters, and gets your domain blacklisted — killing deliverability for all your outreach.
The Solution
Verify every address before your first send. Mailthentic's 9-point verification confirms the mailbox exists without sending any email, catching invalid addresses before they damage your reputation.
Key Benefits
-
Reduce bounce rates from 20%+ to under 2%
-
Protect your domain from blacklists
-
Improve inbox placement for verified addresses
-
Detect catch-all domains that inflate your list
-
Remove disposable and temporary addresses
Getting Started
Sign up for free
Create an account and get 100 free verification credits — no credit card required.
Upload or connect your list
Upload a CSV, connect your CRM via OAuth, or integrate our API into your workflow.
Verify and clean
Our 9-point verification engine checks every address. Remove invalids, quarantine risky addresses, and keep the clean ones.
Send with confidence
Lower bounces, better deliverability, and a protected sender reputation. Your campaigns will thank you.
Ready to clean your prospect list?
Start with 100 free verification credits. No credit card required.