home / skills / gtmagents / gtm-agents / deliverability-ops

This skill helps optimize email deliverability by monitoring engagement, reputation, and authentication signals to guide remediation and warmup strategies.

npx playbooks add skill gtmagents/gtm-agents --skill deliverability-ops

Review the files below or copy the command above to add this skill to your agents.

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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.

---

Overview

This skill helps diagnose and remediate email deliverability issues by inspecting inbox placement, sender reputation, and compliance signals across senders. It provides a practical framework, signal checklist, and playbook to guide investigations, warmups, and audits. The goal is faster root-cause identification and actionable remediation steps to restore or improve inbox performance.

How this skill works

The skill collects and analyzes key signals: engagement metrics, reputation data from major providers, infrastructure health (SPF/DKIM/DMARC, TLS, rDNS), and list quality indicators. It snapshots recent trends, isolates affected mailbox providers, validates authentication and domain alignment, and segments audiences by engagement tiers. Finally, it outputs prioritized remediation actions and tracking templates for warmups, diagnostics, and compliance.

When to use it

  • Inbox placement drops or sudden increase in spam-folder placements
  • Preparing IP or domain warmups before volume ramps
  • After receiving provider alerts or reputation hits (Google Postmaster, SNDS, Spamhaus)
  • Auditing authentication, feedback loops, and unsubscribe/consent handling
  • Before a major campaign to validate infrastructure and list health

Best practices

  • Start with 7‑ and 30‑day snapshots to detect trend direction and velocity
  • Segment recipients by engagement and only send to VIP/high‑intent cohorts during remediation
  • Document every remediation change (content, cadence, IPs) to measure impact
  • Validate SPF/DKIM/DMARC alignment and fix any forwarding or subdomain issues first
  • Use small, phased volume ramps for warmups and monitor provider-specific queues

Example use cases

  • Root-cause analysis when Gmail placements fall but Outlook remains stable
  • Coordinating IP warmup for a new dedicated sending IP across global regions
  • Compliance audit to ensure unsubscribe flows and consent records meet CAN‑SPAM/GDPR/CCPA
  • Cleaning lists after elevated hard bounces or suspected spam-trap hits
  • Building a remediation timeline to restore reputation after a content-based complaint spike

FAQ

What signals should I check first when placement drops?

Begin with engagement (opens/clicks/complaints) and provider-specific reputation dashboards, then validate authentication (SPF/DKIM/DMARC) and recent content or cadence changes.

How quickly will reputation recover after fixes?

Recovery time varies: authentication fixes can show improvements within days, while reputation rebuilds from warmups or list cleaning often take weeks and require consistent monitoring.