- Risk signals: Domain age, sending history, and list acquisition checks
- Progressive access: Start with a safe cap; expand as reputation grows
- Review path: Clear steps and SLAs if a manual review is needed
- Get to first send faster with fewer false flags
- Predictable path to higher volumes
- Clear guidance instead of opaque rejections
- Warm up gradually; avoid cold lists; confirm opt‑in where possible.
- Keep sending domains distinct from your primary corporate domain.
- Approval time to first send
- % of accounts requiring manual review
- Churn during onboarding
