Before a single message goes out, every contact passes a multi-gate verification pipeline that eliminates bots, dead addresses, and catch-all traps.
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Syntax & MX Validation
Instant elimination of malformed addresses and domains with no valid mail exchanger. Zero cost, maximum speed.
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SMTP Probe Verification
We knock on the mail server door without sending a message. Deliverable, failed, and catch-all results are separated before outreach begins.
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MillionVerifier Cross-Check
All ambiguous results are cross-validated against MillionVerifier to catch risky addresses that SMTP alone misses.
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Bot Detection & Filtering
Opens and clicks from security scanners, link prefetchers, and click-tracking bots are identified and excluded from engagement signals.
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Suppression Management
Unsubscribes, bounces, and known-bad addresses are suppressed globally and never re-entered into any campaign.
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Confidence Scoring
Every verified contact receives a 0-100 confidence score based on deliverability signals, engagement history, and company fit indicators.