Email Verification and Deliverability Platform

Clean your list for better email deliverability

Remove bad data before you send.ZeroBounce verifies each email with 99.6% accuracy to reduce bounces, protect your sender reputation, and improve overall deliverability.Clean your list ›

• Detect invalid, disposable, and inactive addresses
• Identify spam traps, abuse emails, and catch-alls
• Validate in bulk or in real time with our API
• Validate all, including catch-alls and protected by SEGs (Secure Email Gateway)

Still don't know where to start? Learn how to verify an email address ›

Increase email engagement

See which contacts are truly engaged.Activity Data shows which subscribers opened, clicked, or interacted with emails in the past 30–180 days, helping you prioritize active contacts and improve your campaigns.

• Identify recently active email users
• Segment lists based on real engagement signals
• Target subscribers more likely to open and act

Score catch-all email addresses

Take the guesswork out of catch-all and uncertain emails.AI-powered scoring ranks each address from 1–10 based on the likelihood of reaching a real person, helping you prioritize better leads and reduce wasted sends.

• Score valid and catch-all emails 1–10
• Predict the likelihood of reaching a real inbox
• Focus outreach on higher-quality contacts

Free email search for B2B

Find verified professional email addresses.Email Finder helps you discover new contacts using a name and company domain, then validates the address instantly.

• Discover new B2B email contacts
• Identify company email patterns
• Verify addresses in real time

Warm your domain for inbox visibility

Build your sending reputation gradually and safely.Email Warmup automates positive email interactions to help new or inactive domains establish trust with inbox providers.

• Warm up domains and IPs over time
• Generate natural opens and engagement
• Improve inbox placement and reputation

Improve your chances of reaching the inbox

See exactly where your emails land before you launch a campaign.Inbox Placement Testing checks deliverability across major providers so you can optimize content and improve inbox rates.

• Test inbox vs spam placement
• Evaluate performance across major providers
• Optimize subject lines and email content

Test email deliverability

Diagnose technical deliverability issues before sending.Email Server Testing analyzes your authentication, DNS records, and server configuration to identify problems that could affect inbox placement.

• Test SPF, DKIM, DMARC, and DNS records
• Identify server configuration issues
• Detect potential deliverability risks

24/7 Blacklist checker and monitoring

Know immediately if your domain or IP appears on a blacklist.ZeroBounce continuously checks major spam databases so you can resolve issues before they impact deliverability.

• Monitor 200+ global spam blacklists
• Track domain and IP reputation
• Get alerts if you’re listed

DMARC monitoring & Reporting for email security

Protect your domain from spoofing and email fraud.DMARC Monitor gives you visibility into authentication activity and alerts you to unauthorized senders using your domain.

• Monitor DMARC authentication across domains
• Detect spoofing and unauthorized senders
• Receive alerts and detailed reporting

Check compliance and monitor deliverability in one view

Get a clear view of your deliverability performance in one place.The Deliverability Dashboard shows inbox placement, spam rates, authentication status, and sending health so you can spot issues and stay on track.

• Track inbox placement and spam rate trends
• Monitor authentication and delivery errors
• View performance, compliance, and security status