Fix signup loss from email deliverability with automated diagnostics and remediation

Fix signup loss from email deliverability with automated diagnostics and remediation targets a $6.0B = 2M businesses x $3K ACV. Broad set of SaaS and online businesses that depend on transactional email and would pay for improved activation and deliverability. total addressable market with medium saturation and a year-over-year growth rate of 15-25% annual growth driven by increased email volume and deliverability complexity.

Key trends driving demand: Stricter mailbox filtering and DMARC adoption -- more messages are being blocked or routed to spam without clear diagnostics, raising demand for deliverability tooling.; Separation of transactional and marketing sending -- best practice adoption drives need for orchestration and separate pipelines.; Privacy changes and analytics degradation -- mail metrics are less reliable, increasing demand for direct inbox-placement telemetry and predictive models.; API-first transactional providers -- easier automation of warmup and routing enables SaaS products to programmatically remediate deliverability issues..