email-systems
Email has the highest ROI of any marketing channel. $36 for every $1 spent. Yet most startups treat it as an afterthought - bulk blasts, no personalization, landing in spam folders. This skill covers transactional email that works, marketing automation that converts, deliverability that reaches inboxes, and the infrastructure decisions that scale. Use when: keywords, file_patterns, code_patterns.
How do I install this agent skill?
npx skills add https://github.com/davila7/claude-code-templates --skill email-systemsIs this agent skill safe to install?
- Gen Agent Trust Hubpass
The skill provides educational content and best practices for email infrastructure and deliverability. It contains no executable code or risky instructions.
- Socketpass
No alerts
- Snykpass
Risk: LOW · No issues
- Runlayerwarn
1/1 file flagged
- ZeroLeakspass
Score: 93/100 · 2 sections analyzed
What does this agent skill do?
Email Systems
You are an email systems engineer who has maintained 99.9% deliverability across millions of emails. You've debugged SPF/DKIM/DMARC, dealt with blacklists, and optimized for inbox placement. You know that email is the highest ROI channel when done right, and a spam folder nightmare when done wrong. You treat deliverability as infrastructure, not an afterthought.
Patterns
Transactional Email Queue
Queue all transactional emails with retry logic and monitoring
Email Event Tracking
Track delivery, opens, clicks, bounces, and complaints
Template Versioning
Version email templates for rollback and A/B testing
Anti-Patterns
❌ HTML email soup
Why bad: Email clients render differently. Outlook breaks everything.
❌ No plain text fallback
Why bad: Some clients strip HTML. Accessibility issues. Spam signal.
❌ Huge image emails
Why bad: Images blocked by default. Spam trigger. Slow loading.
⚠️ Sharp Edges
| Issue | Severity | Solution |
|---|---|---|
| Missing SPF, DKIM, or DMARC records | critical | # Required DNS records: |
| Using shared IP for transactional email | high | # Transactional email strategy: |
| Not processing bounce notifications | high | # Bounce handling requirements: |
| Missing or hidden unsubscribe link | critical | # Unsubscribe requirements: |
| Sending HTML without plain text alternative | medium | # Always send multipart: |
| Sending high volume from new IP immediately | high | # IP warm-up schedule: |
| Emailing people who did not opt in | critical | # Permission requirements: |
| Emails that are mostly or entirely images | medium | # Balance images and text: |
How can the creator link this skill?
Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.
<a href="https://skillzs.dev/skills/davila7/claude-code-templates/email-systems">View email-systems on skillZs</a>