Validate Emails with 95-98% Accuracy
Professional email validation that checks format, DNS records, and SMTP servers. Reduce bounce rates and improve deliverability instantly.
Powerful Validation Engine
Everything you need to ensure email deliverability and protect your sender reputation
Format Validation
RFC 5322 compliant syntax validation ensures proper email format before delivery attempts.
DNS Verification
MX record lookup verifies the domain can receive email, catching typos and invalid domains.
SMTP Testing
Direct mail server communication confirms the specific email address exists without sending.
Bulk Processing
Validate up to 10,000 emails at once with real-time progress tracking and live results.
CSV Export
Download your validation results in CSV format for easy integration with your marketing tools.
Privacy First
No emails are stored or sent. Your data remains private and secure throughout the validation.
Three Simple Steps
Get started in minutes, validate in seconds
Enter Emails
Paste your email list or enter addresses individually. Supports up to 10,000 emails per batch.
Validate Instantly
Our engine checks format, DNS records, and SMTP servers with real-time progress updates.
Export Results
Get detailed results with validity status and download your clean email list as CSV.
Trusted by Marketers
See what our users say about Nexshi
"Reduced our bounce rate by 80%. The bulk processing feature saved us hours of manual work."
"The accuracy is incredible. We trust Nexshi for all our email campaigns now."
"Processing 10,000 emails in one go is a game-changer. Fast, reliable, and easy to use."
Ready to Validate Your Emails?
Start with 50 free validations per day. No credit card required.
Start Validating Now