Email Deliverability
Overview
This skill covers B2B email deliverability best practices spanning cold outbound infrastructure, opted-in marketing programs, technical configuration, engagement signals, and metric interpretation. All practices are sourced exclusively from Exit Five podcast guests across 6 episodes. Do not supplement with general knowledge not represented here — gaps in coverage are intentional.
Infrastructure: Domains, IPs, and Inboxes
**Protect your primary domain
[Description truncada. Veja o README completo no GitHub.]