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skills/deliverability-ops/SKILL.md

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+---
+name: deliverability-ops
+description: Use when investigating inbox placement, reputation, and compliance signals
+  across senders.
+---
+
+# Deliverability Operations Skill
+
+## When to Use
+- Inbox placement drops or spam-folder complaints.
+- Preparing for IP/domain warmups or volume ramps.
+- Auditing authentication, feedback loops, or compliance settings.
+
+## Framework
+
+### Signals to Monitor
+1. **Engagement** – opens, clicks, unsubscribes, spam complaints by ISP.
+2. **Reputation** – Google Postmaster, Microsoft SNDS, Talos/Barracuda, Spamhaus, Validity.
+3. **Infrastructure** – SPF/DKIM/DMARC alignment, BIMI, TLS, reverse DNS, dedicated vs shared IP.
+4. **List Health** – bounce types, spam traps, opt-in provenance, inactivity thresholds.
+
+### Playbook Steps
+1. Snapshot key metrics over last 7/30 days.
+2. Identify affected mailbox providers (Gmail, Outlook, Yahoo, etc.).
+3. Validate authentication + sending domains.
+4. Segment audiences by engagement tier; limit sends to VIP/high intent.
+5. Recommend remediation actions (warmup plan, content refresh, list cleaning, cadence adjustment).
+
+## Templates
+- Deliverability diagnostic worksheet (reputation + infrastructure + content).
+- IP/domain warmup tracker (volume ramp table).
+- Compliance checklist (CAN-SPAM, CASL, GDPR/CCPA, unsubscribe handling).
+
+## Tips
+- Pair with `segmentation` skill to isolate healthy cohorts.
+- Document every remediation change to correlate with future reputation shifts.
+- Align marketing, security, and legal teams on consent language.
+
+---