Deliverability discrepancy - diagnose warmup vs inbox placement with data-driven audits

Deliverability discrepancy - diagnose warmup vs inbox placement with data-driven audits targets a $1.44B = 240,000 companies x $6K ACV. Rationale: roughly 240k SMBs and midmarket companies run active outbound or high-volume sales email programs globally and would pay about $500/mo for continuous deliverability monitoring and advisory. total addressable market with medium saturation and a year-over-year growth rate of 12-20% annual growth in spend on sales automation and deliverability tooling as outbound volume and filtering complexity increase.

Key trends driving demand: ISP tightening -- Gmail and Microsoft continuously refine filters making surface-level warmup metrics insufficient for placement prediction; Warmup-tool proliferation -- many vendors report healthy send-side signals but not recipient outcomes, creating demand for correlation tools; ESP/MTA telemetry availability -- more providers expose detailed logs and webhooks, enabling richer diagnostics; Increased outbound volume -- growth of SDR teams and outbound automation increases the cost of poor deliverability.