We believe every email matters. BounceZero was built to provide the most accurate email verification in the industry, going beyond simple SMTP checks to deliver true email intelligence.
Most email verification services rely on a single SMTP check and call it a day. The result? False positives, missed catch-all domains, and unreliable scores that cost businesses real money in bounced emails and damaged sender reputation.
We built BounceZero to solve this problem. Our platform uses a comprehensive 5-stage verification pipeline that analyzes every email across 40+ distinct signals, then synthesizes them through a dual Bayesian and machine learning scoring engine.
The result is email intelligence you can trust, with 99.5% accuracy and detailed explanations for every result.
Our proprietary 5-stage pipeline processes every email through layers of analysis no other service provides.
RFC compliance, disposable detection, role-based checks, entropy analysis.
MX resolution, SPF/DKIM/DMARC, domain age, provider fingerprinting.
RCPT TO verification, greylisting retry, catch-all 3-probe detection.
Gravatar, breach databases, developer profiles, business email detection.
Likelihood ratios, ML blending, temporal decay, AI explanations.
The principles that guide everything we build.
Every signal is validated, weighted, and cross-referenced to minimize false positives and negatives.
Your data is yours. We never sell email lists and adhere to strict data retention policies.
No black boxes. Every score includes a detailed breakdown of contributing signals and reasoning.
We continuously evolve our algorithms and push the boundaries of email verification technology.
The engine behind our accuracy, combining statistical modeling, machine learning, and domain expertise.
Every signal gets a mathematically calculated likelihood ratio. Signals that predict deliverability carry more weight, and prior probabilities update continuously.
ML models trained on real-world outcomes blend with Bayesian scores. Pattern recognition catches subtle indicators rule-based systems miss.
200+ behavioral profiles capture how each provider handles SMTP, greylisting, catch-all, and rate limiting for optimal verification strategy.
Experience the difference true email intelligence makes. Start verifying with 99.5% accuracy today.