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  ║   _____ __  __    _    ___ _         ║
  ║  | ____|  \/  |  / \  |_ _| |        ║
  ║  |  _| | |\/| | / _ \  | || |        ║
  ║  | |___| |  | |/ ___ \ | || |___     ║
  ║  |_____|_|  |_/_/   \_\___|_____|    ║
  ║                                      ║
  ║           Best Practices             ║
  ╚══════════════════════════════════════╝

Email Best Practices Skill

A comprehensive agent skill for building production-ready email systems. Covers everything from DNS authentication to webhook processing, with a focus on deliverability, compliance, and reliability.

Installation

npx skills add resend/email-best-practices

What This Skill Covers

Getting Started

• Planning which emails your app needs (password reset, verification, order confirmations)
• Setting up email authentication (SPF, DKIM, DMARC) so emails reach inboxes

Sending Emails

• Transactional email design (subject lines, content structure, mobile-first)
• Marketing email best practices (consent, segmentation, unsubscribe)
• Compliance requirements by region (CAN-SPAM, GDPR, CASL)

Production Infrastructure

• Idempotency and retry logic to prevent duplicates
• Webhook processing for delivery events
• Suppression lists and list hygiene automation

Structure

email-best-practices/
├── SKILL.md                             # Start here - routes to the right resource
└── references/
    ├── deliverability.md                # SPF/DKIM/DMARC, sender reputation
    ├── transactional-emails.md          # Password resets, OTPs, confirmations
    ├── transactional-email-catalog.md   # Email combinations by app type
    ├── marketing-emails.md              # Newsletters, campaigns, consent
    ├── email-capture.md                 # Validation, verification, opt-in
    ├── compliance.md                    # CAN-SPAM, GDPR, CASL
    ├── email-types.md                   # Transactional vs marketing
    ├── sending-reliability.md           # Idempotency, retry logic, errors
    ├── webhooks-events.md               # Delivery events, webhook setup
    └── list-management.md               # Suppression lists, hygiene