Identify which catch-all and accept-all emails are safe to send to, with accuracy comparable to a real email send, without actually sending one or risking your sender reputation.
Trusted by High-Volume Senders
Standard email verifiers prioritize safety over reach, marking nearly half of all B2B addresses as "Risky" or "Unknown". These are typically Catch-All (Accept-All) configurations used by over 70% of Enterprise-level domains.
New to catch-all verification? Learn what catch-all emails are and why they matterGo beyond simple verification. We process over 1.2 billion data points daily to map relationships between humans, their employers, and their active communication channels.
Identified 285M B2B records across 14M companies globally.
Databases refreshed every 24 hours via live activity signals.
Don't just verify that an email exists—understand who is behind it. Identify person-level B2B and HCP identifiers (NPI numbers) with a single verification check.
Static databases are obsolete. Our system captures live engagement signals across the open web, giving you a "heat map" of which prospects are currently active and responsive.
Identify prospects actively researching your category.
Historical data on email open patterns at the domain level.
Real-time tracking of professional movements and promotions.
Live bounce/delivery data from 2,000+ active enterprise senders.
While others provide generic data, we dive deep into the most complex industries with verified person-level identifiers.
Access NPI-verified datasets for physicians, nurses, and healthcare executives. Each record is mapped to a verified deliverable email and mobile phone.
Enrich your CRM with real-time intent data and verified professional contact details for 14M+ companies globally.
| Feature | Standard Verifiers | EmailAddress.ai |
|---|---|---|
| Catch-All Verdicts | Returns "Unknown" | Resolves 95% |
| Technology | Simple SMTP Ping | Deep-SMTP + Behavioral |
| SEG Penetration | Blocked (Firewall) | Latency Analysis Bypass |
| Data Licensing | None | Integrated HCP & B2B |
Don't let high bounce rates kill your deliverability. Stop paying for "risky" results from legacy tools and start verifying with the precision of a real send.
Enterprise-grade security and compliance for global organizations.
Start for free. Scale as you grow.
For small teams
Growing teams
Scaling companies
High volume & Licensing
In a market filled with "black box" tools, we lead with technical transparency and verified expertise.
Built and maintained by a team of deliverability engineers with over 20 years of combined experience in high-volume SMTP infrastructure.
Our licensing data is sourced from a proprietary network of 20+ trusted partners, ensuring the highest level of B2B and HCP data compliance.
We provide a dedicated Accuracy Methodology page detailing our resolution rates across Catch-All, Greylisted, and SEG-protected emails.
"The catch-all verification is a game changer. We've recovered nearly 35% of our previously 'unverifiable' leads."
"Finally, a verification tool that actually understands complex SMTP patterns instead of just guessing."
"The API integration was seamless. We were up and running in less than 30 minutes with full HCP support."