TrueSendy verifies every email on your list before you hit send.
Protect your sender reputation. Slash bounce rates. Land in inboxes.
Every feature designed to protect your campaigns and maximize deliverability.
Upload CSV, TXT, Excel, PDF, or Word files. We extract and verify every email at 20 concurrent checks.
Real RCPT TO handshake with every mail server. No guessing — actual mailbox-level verification.
We distinguish policy rejections from real bounces. Corporate servers that block probes don't get false-flagged.
Works through any firewall. If port 53 is blocked, we resolve MX records via Google DoH.
Identifies Google Workspace, Microsoft 365, Proofpoint, and 20+ providers behind any domain.
Watch results stream in live. Valid and invalid emails update in real-time.
Drag & drop any file — CSV, Excel, TXT, PDF, or Word. We extract every email automatically.
Syntax → DNS/MX → SMTP handshake → Smart classification. 20 emails verified simultaneously.
Get your verified emails as CSV, Excel, or TXT. Only valid addresses — ready to send.
Start with 5 free verifications. Upgrade when you need more.
Sign up in 30 seconds and get 5 free email verifications every month. No credit card required.
"Our bounce rate dropped from 8.2% to 0.4% overnight. TrueSendy saved three of our client campaigns."
"We tested 7 tools. TrueSendy was the only one that didn't false-flag our corporate leads. Game changer."
"50K emails in under 15 minutes. We clean every list before loading it into Smartlead."
Every email you send to a bad address damages your reputation. Stop guessing. Start verifying.
Verify Your List Now