Poor inbox deliverability — AI-driven automated email warm-up

Poor inbox deliverability — AI-driven automated email warm-up targets a $3.6B = 6M SMBs x $600 ACV (email-warmup + basic deliverability tooling/year) total addressable market with medium saturation and a year-over-year growth rate of 18% CAGR in email deliverability and outreach tooling driven by automation.

Key trends driving demand: Behavioral-signal weighting -- ISPs are increasingly using reply/engagement patterns to judge sender reputation, increasing demand for behavior-simulating warm-up.; AI-generated micro-interactions -- LLMs make multi-turn, context-aware simulated replies feasible, improving warm-up realism and speed.; Rise of outbound automation -- more SMBs and agencies rely on cold email for growth, expanding the addressable market for warming solutions.; Privacy-first telemetry -- growing regulatory scrutiny drives demand for anonymized, auditable warming processes that don’t leak PII..