Verify Email Addresses Instantly
Check if an email is valid, invalid, or risky before
you send your campaign.
Verification Is the First Step to
Better Deliverability
Invalid or risky emails damage your sender reputation and push campaigns into spam. Our Email Verification Tool helps you stop that before you hit send.
With our Email Verification Tool, marketers can:
- Instantly check if an email is valid, invalid, or risky
- Reduce bounces and protect your sender reputation
- Detect disposable or fake signups before they reach your CRM
- Improve campaign open, click, and reply rates with clean lists

How does the email verification tool work?
More than half of the messages that don’t reach the inbox bounce. Our email verification tool checks your lists against several technical criteria to improve deliverability.
The email verification tool lets you start by uploading a list or connecting to our API. Once verification is complete, the tool suggests filtering options. Depending on your goal, you can apply or skip these filters, ensuring your final list only contains existing, active, and high-engagement mailboxes. By using our email verification tool, you reduce bounces and protect your sender reputation
What statuses does the email verification tool return?
Our email verification tool returns four statuses: Deliverable, Undeliverable, Risky, and Unknown.
Will the tool send an email to the address I check?
No. Our online email verification tool validates addresses silently in the background and does not send any emails to the mailbox.
Is there a free limit, and how do I get more checks?
The email verification tool allows users to instantly verify up to 3 email addresses per day, returning results with clear statuses and reasons. For more verifications, you can sign up or contact us to explore bulk email verification and real-time API verification options for larger lists.
Can I upload a list or connect by API for real-time checks?
Yes! With the Email Verification tool, you can:
- Upload a list for bulk email verification
- Connect to the real-time email verification API to instantly check addresses during sign-ups or form submissions
This ensures your email lists remain accurate, clean, and ready for campaigns.
What does the Email Verification tool check?
To keep your email lists accurate and deliverable, email verification tool performs comprehensive checks, including:
- Email address syntax validation
- Domain and SMTP verification
- MTA validation (MX record checks for reliable connections)
- Detection of disposable email addresses
- Checks for accept-all domains and alternative accept-all email validation
- Mailbox quota verification
- Identification of role-based accounts
- Verification for major providers like Yahoo!, AOL, Mail.ru
- Deduplication of email addresses
Using this email verification tool ensures your campaigns reach real, active, and high-quality email addresses.
How accurate are the Email Verification results?
Email Verification tool delivers 98.6% technical accuracy. Each email receives a clear status, including Accepted, Mailbox exists, Role account, Accept-all, Full Inbox, Invalid syntax, Rejected, Invalid domain, Invalid username, Invalid MX, Disposable, Connection error, Timeout, Unavailable SMTP, and Unexpected error. This ensures your email lists remain clean, reliable, and ready for campaigns.
How should I act on the results to improve deliverability?
- Keep Deliverable emails – Safe for campaigns.
- Remove Undeliverable emails – Prevents hard bounces.
- Review Risky/Unknown emails – Segment them or recheck later.
Regularly using an email scrubbing process with our tool improves sender reputation, reduces bounce rates, and increases inbox placement.