Make email deliverability diagnosable and fixable - clear diagnostics plus fixes

Make email deliverability diagnosable and fixable - clear diagnostics plus fixes targets a $6.0B = 2M businesses x $3K ACV, all businesses that send volume email and care about inbox placement and revenue impact total addressable market with medium saturation and a year-over-year growth rate of 12-18% annual growth for email deliverability and inbox-placement tooling as outreach automation increases.

Key trends driving demand: AI-driven outreach -- increases number of sender identities and automated volume, raising deliverability complexity for teams; ISP tightening -- mailbox providers are increasingly opaque and strict, creating more need for continuous monitoring and remediation; Rise of warmup services -- more teams use automated warmup, creating valuable historical telemetry that can be leveraged for diagnostics; Integration-first tooling -- buyers prefer solutions that tie diagnostics to send pipelines and ESPs for rapid remediation.