Predator™ algorithm

Email integrity .
Built for reliability.

Email integrity is more than a technical detail, it’s the foundation of successful email campaigns. Every invalid address, disposable email, or blocked server increases bounce rates, damages reputation, and costs you revenue.

With BounceStrike, integrity starts at the source. Our system ensures every email follows proper syntax, eliminating formatting errors that lead to instant failures.

But it doesn’t stop there. We block disposable and temporary addresses in real time, safeguarding your list from fake signups and reducing fraud risks.

And thanks to our advanced anti-greylisting technology, you get faster, more accurate results without false negatives. Combined with domain integrity checks, BounceStrike turns email verification into a proactive defense against deliverability threats.

Engineering

Email Integrity as your first line of defense

Disposable Email Detection

Fake signups and throwaway addresses drain your resources and damage deliverability. BounceStrike eliminates this risk by detecting disposable domains instantly, from well-known temporary mail providers to new ones appearing daily.

Our system uses an updated database of thousands of disposable email services and analyzes domain behaviors to stop fraudulent or low-quality entries at the source.

The result? Cleaner lists, stronger engagement, and a safer ecosystem for your email marketing efforts.

Invalid Character Filter

Block emails with illegal or suspicious characters before they corrupt your database or trigger security issues.

Syntax & Format Validation

Ensure every email follows the correct structure and RFC standards to prevent deliverability issues before they start.

Anti-Greylisting Technology

Greylisting is a common tactic to slow down suspicious senders and test their legitimacy. For businesses, it can create delays or false negatives during verification.

BounceStrike bypasses greylisting barriers by simulating smart retries with advanced SMTP logic. This ensures your email checks remain fast, accurate, and uninterrupted.

Enjoy consistent, accurate verifications without delays or blocks from outdated anti-spam filters.

Frequently asked questions

Stop wasting time and money on invalid addresses

Remove bounces, protect your sender reputation, and maximize inbox placement with our powerful email verification API. It’s fast, accurate, and built to scale your success.