deliverability-monitoring

# Deliverability Monitoring ## Overview Deliverability Monitoring provides continuous surveillance of email infrastructure health — the foundation on which all outbound GTM rests. The core principle is that deliverability problems compound silently: by the time you notice lower reply rates, reputation damage may already be weeks deep and require months to repair. This skill prevents the catastrophic mistake of discovering deliverability issues through pipeline decline rather than proactive monitoring. The non-obvious rule: deliverability is not binary (delivered vs bounced). It exists on a spectrum — inbox vs spam folder vs promotions tab vs graymail vs blocked. A "delivered" email that lands in the spam folder is effectively undelivered. This skill measures inbox placement, not just delivery status. This skill produces a Domain Health Dashboard with: real-time bounce tracking across all sending domains, spam placement rates by mailbox provider, blacklist status across 50+ blacklists, DMARC aggregate report analysis with forwarding source identification, authentication health scores (SPF/DKIM/DMARC), and predictive reputation trend alerts. ## When to Use - User says "check my deliverability" or "domain health check" → activate this skill - User mentions "bounce rate is high" or "emails going to spam" → use this skill for diagnosis - User asks "is my domain blacklisted" or "blacklist check" → activate monitoring module - User says "DMARC reports" or "who is sending as my...