Check Any Email Address Instantly
Verify if an email is valid, deliverable, and safe to send — powered by AI with 98%+ accuracy. Works with Gmail, Outlook, Yahoo, catch-all domains, and 450+ providers.
How Our Email Checker Works
Enter Email
Type or paste any email address into our checker. Check single emails or upload bulk lists.
AI Verification
Our AI checks syntax, MX records, SMTP responses, domain reputation, and runs pattern analysis.
Confidence Score
Get a clear result: valid, invalid, or a 0-100 confidence score for catch-all domains.
Send Safely
Email verified addresses with confidence. Protect your sender reputation and reduce bounces.
What Our Email Checker Detects
Valid Emails
Confirmed deliverable mailboxes that will accept your email without bouncing.
Invalid Emails
Non-existent addresses, expired domains, and mailboxes that will hard bounce.
Catch-All Scoring
AI confidence scores (0-100) for catch-all domains instead of useless "unknown" results.
Disposable Emails
Detect temporary and throwaway email addresses from 10MinuteMail, Guerrilla, and more.
Spam Traps
Identify honeypot addresses that can get your domain blacklisted if you email them.
Role-Based Emails
Flag generic addresses like info@, support@, admin@ that have lower engagement rates.
Check Emails Across All Providers
Our email checker works with every major email provider:
Email Checker FAQ
How does an email checker work?
An email checker verifies addresses through multiple steps: syntax validation, DNS/MX record lookup, SMTP connection testing, and mailbox verification. ZeroBounce AI adds AI-powered analysis including catch-all confidence scoring, pattern recognition, and domain reputation intelligence for 98%+ accuracy.
Is this email checker free?
Yes! ZeroBounce AI offers 100 free email checks with no credit card required. You can check single emails or upload small lists. For larger volumes, plans start at $0.005 per email.
Can I check email addresses in bulk?
Absolutely. Upload CSV or TXT files with thousands of email addresses and get results in minutes. Our bulk email checker processes lists of any size with the same AI-powered accuracy.
What makes ZeroBounce AI different from other email checkers?
While most email checkers only do basic SMTP verification, ZeroBounce AI uses artificial intelligence to provide catch-all confidence scoring (0-100), email pattern recognition, and domain reputation analysis. This means actionable results instead of "unknown" for ~30% of business emails.
Check Your First Email Free
100 free email checks. No credit card required. Results in seconds.