# VerifyFlow > B2B email deliverability intelligence for cold email agencies ## What we do VerifyFlow classifies every email into 4 buckets using real SMTP-level probes: - SAFE — deliverable, send with confidence - PROTECTED — Microsoft/O365 inboxes, limit to 5–10/day - RISKY — proceed with caution, likely to bounce - DEAD — do not send, will hard bounce Not just valid/invalid. 5 intelligence addons run automatically on every check: Domain Intelligence (SPF/DMARC/DKIM/MX), Titan SMTP Engine, Blacklist Monitor, List Risk Scoring, Campaign Risk Analysis. ## Who it's for - Cold email agencies (Instantly, Smartlead, Lemlist users) - Outbound sales teams - B2B SaaS teams running outbound sequences - Lead gen teams qualifying lists before handoff to sales ## Pricing (one-time credit purchases, credits never expire) - Pay-as-you-go: $9.99 / 1,000 credits - Growth: $99.99 / 10,000 credits (bulk CSV up to 50k rows) - Pro: $199 / 50,000 credits (REST API, dedicated job queue) - Unknown / catch-all results: always free, 0 credits consumed ## Key facts - 1 credit per verified result (SAFE, PROTECTED, RISKY, DEAD) - No inbox access required — no email password needed - No subscription — buy when you need - Credits never expire - 6 dedicated sending IPs, 30 concurrent SMTP threads - Titan Engine runs on dedicated OVH infrastructure ## Pages - /: Landing page and live single-email check - /teardown: Domain deliverability teardown (paid audit) - /pricing: Plans and credits - /privacy: Privacy policy - /terms: Terms of service ## Compared to alternatives Deeper than ZeroBounce/NeverBounce (5 addons vs SMTP-only). 4-bucket model vs binary valid/invalid. Unknown results never cost a credit. ## Contact support@veriflowb2b.com Website: https://veriflowb2b.com