Unmatched Accuracy.
in Email Verification.
EmailShield guarantees 99.8% verified accuracy, ensuring every email you send protects your reputation and reaches real inboxes.
DASHBOARD Control Center
Welcome back. Here's what's happening with your deliverability assets today.
Your Pipeline,
on Autopilot.
Experience the synergy of high-tier deliverability. As you scale your verification throughput, watch your calendar transform into a revenue engine.
INFRASTRUCTURE CORE
REAL-TIME HEURISTIC ANALYSIS OF SMTP TRAFFIC STREAMS
Why Teams Choose EmailShield
Six things legacy verification tools get wrong. We fix them.
Real SMTP handshakes instead of DNS-only lookups. Catch-all domains are classified, not guessed.
Sub-2-second single,
100k/min in bulk.
Real-time API for forms. Webhook-driven bulk jobs for list hygiene — no polling, no timeouts.
Self-hosted proxies.
Zero third-party calls.
Your data never leaves our network. Rotating egress IPs so providers don't rate-limit your checks.
Pay-as-you-go. Plans from $19/mo.
One endpoint.
SDKs for Python, Node, PHP.
OpenAPI 3.0 spec · signed webhooks · idempotent retries.
Audit logs, EU data residency, DPAs on request.
Everything you need.
One platform.
Blacklist Monitoring
Real-time monitoring across 100+ global blacklists. Instant alerts before deliverability drops.
Want the full picture?
Detailed breakdowns, screenshots, and technical specs for every tool.
Built for developers, not just marketers.
Clean RESTful API, webhooks for async bulk processing, and SDKs that don't suck. Get started in under 5 minutes.
import emailshield
client = emailshield.Client(api_key='sh_live_1234')
result = client.verify('john@doe.com')
if result.status == 'valid':
print(f"Accuracy: {result.score}%")Radical Transparency.
Stop paying the 'Brand Tax'. We offer better tech at 1/4 the price of legacy verification tools.
| Tech | Shield | ZeroB | MV | Hunter |
|---|---|---|---|---|
Price per 100k Emails | $199 | $800 | $449 | $2.8K/mo |
SMTP Check | ||||
Proxy Infra | Self-H | Shared | None | 3rd-P |
DomainMask | ||||
No Commit | ||||
DMARC |
* Price comparison based on publicly available data as of May 2026.
Verify Smarter.
Scale Faster.
Stop paying for unused credits. Our pay-per-use model is 70% cheaper than ZeroBounce with zero monthly commitments.
Pricing Calculator
TRANSPARENT SAVINGS ENGINE
Start free, scale when you need to
Every workspace begins with 300 verifications. Upgrade when you need more throughput or automation.
Active monitoring and domain tools.
Scaling Room
Try our other products for high-performance outreach
Get Early Access
To the invite-only closed beta for emailshield and all of it's toolkit, including the most reliable, fastest and best priced email cleaning software on the market
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SCALING ROOMTechnical Field Reports
Deep technical dives into the infrastructure of modern email deliverability and verification.
![Catch-All Email Verification: Why Most Verifiers Return "Unknown" and How to Validate Properly [2026]](/images/blog-thumb.webp)
You have questions. We have handshakes.
What makes EmailShield unique?
We own our proxy infrastructure and developed a custom multi-port SMTP engine from scratch, ensuring total independence and reliability.
Do you handle Catch-all domains?
How does multi-port SMTP verification work?
Is EmailShield GDPR and SOC 2 compliant?
Can I integrate EmailShield with my CRM?
What is the 'Brand Tax' in email verification?
How fast is the bulk verification process?
Does EmailShield help with sender reputation?
Still paying for legacy tools?
Our team will help you migrate your lists and setup your first SMTP sweep in 10 minutes.