  ╔══════════════════════════════════════╗
  ║   _____ __  __    _    ___ _         ║
  ║  | ____|  \/  |  / \  |_ _| |        ║
  ║  |  _| | |\/| | / _ \  | || |        ║
  ║  | |___| |  | |/ ___ \ | || |___     ║
  ║  |_____|_|  |_/_/   \_\___|_____|    ║
  ║                                      ║
  ║           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

Quick Start

Open SKILL.md - it has a routing table that directs you to the right resource based on what you need to do.

License

MIT