curvenote/email-best-practices
.agents/skills/email-best-practices/SKILL.md
Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, or deciding transactional vs marketing.
$ install --global
skillsauthnpx skillsauth add curvenote/curvenote email-best-practicesInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
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Scanners in report
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TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
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mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
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Socket.devSupply chain security analysis
50%
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VirusTotalMulti-engine malware detection
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CrowdStrikeAdvanced threat intelligence
50%
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OSV-ScannerOpen Source Vulnerability database check
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OWASP Dep-Check
50%
Last scanned: Apr 25, 2026, 9:31 PM2.2s1 file scanned
SKILL.md
- name:
- email-best-practices
- description:
- Use when building email features, emails going to spam, high bounce rates, setting up SPF/DKIM/DMARC authentication, implementing email capture, ensuring compliance (CAN-SPAM, GDPR, CASL), handling webhooks, retry logic, or deciding transactional vs marketing.
Email Best Practices
Guidance for building deliverable, compliant, user-friendly emails.
Architecture Overview
[User] → [Email Form] → [Validation] → [Double Opt-In]
↓
[Consent Recorded]
↓
[Suppression Check] ←──────────────[Ready to Send]
↓
[Idempotent Send + Retry] ──────→ [Email API]
↓
[Webhook Events]
↓
┌────────┬────────┬─────────────┐
↓ ↓ ↓ ↓
Delivered Bounced Complained Opened/Clicked
↓ ↓
[Suppression List Updated]
↓
[List Hygiene Jobs]
Quick Reference
| Need to... | See | |------------|-----| | Set up SPF/DKIM/DMARC, fix spam issues | Deliverability | | Build password reset, OTP, confirmations | Transactional Emails | | Plan which emails your app needs | Transactional Email Catalog | | Build newsletter signup, validate emails | Email Capture | | Send newsletters, promotions | Marketing Emails | | Ensure CAN-SPAM/GDPR/CASL compliance | Compliance | | Decide transactional vs marketing | Email Types | | Handle retries, idempotency, errors | Sending Reliability | | Process delivery events, set up webhooks | Webhooks & Events | | Manage bounces, complaints, suppression | List Management |
Start Here
New app? Start with the Catalog to plan which emails your app needs (password reset, verification, etc.), then set up Deliverability (DNS authentication) before sending your first email.
Spam issues? Check Deliverability first—authentication problems are the most common cause. Gmail/Yahoo reject unauthenticated emails.
Marketing emails? Follow this path: Email Capture (collect consent) → Compliance (legal requirements) → Marketing Emails (best practices).
Production-ready sending? Add reliability: Sending Reliability (retry + idempotency) → Webhooks & Events (track delivery) → List Management (handle bounces).
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