email-best-practices
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, making emails accessible (alt text, headings, contrast, screen readers), or deciding transactional vs marketing.
How do I install this agent skill?
npx skills add https://github.com/resend/resend-skills --skill email-best-practicesIs this agent skill safe to install?
- Gen Agent Trust Hubpass
The email-best-practices skill provides comprehensive and safe guidance on building, delivering, and maintaining email features. It includes educational content on accessibility, compliance (GDPR/CAN-SPAM), deliverability (SPF/DKIM/DMARC), and reliability. The skill consists entirely of documentation and standard code snippets for developer implementation, with all external links pointing to trusted vendor resources or well-known industry diagnostic tools. No malicious patterns or security risks were identified.
- Socketpass
No alerts
- Snykpass
Risk: LOW · No issues
- ZeroLeakspass
Score: 93/100 · 2 sections analyzed
What does this agent skill do?
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 |
| Make emails accessible (screen readers, alt text, contrast) | Accessibility |
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).
Accessibility?
Most emails fail basic accessibility checks. See Accessibility for lang/dir, presentational tables, headings, alt text, <title>, and contrast.
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/resend/resend-skills/email-best-practices">View email-best-practices on skillZs</a>