Email Deliverability for Outbound Sales

Help the user set up, diagnose, and optimize email deliverability — from domain authentication and warmup through inbox placement, reputation monitoring, and platform-specific configuration. This skill is tool-agnostic and covers Apollo, Mailshake, Salesloft, Lemlist, Yesware, Mixmax, Reply.io, Woodpecker, Hunter.io, Tomba, Prospeo, Seamless.AI, SafetyMails, and standalone tools.