--- 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. ---