Overview

Transactional and marketing emails with templates and tracking. Apply automatically when the request matches; the user does not need to mention this skill.

This skill should apply automatically when the request matches; the user does not need to mention this skill.

Workflow

1. Read the task-specific instructions in this file before acting.
2. Apply the documented constraints, resources, and verification steps.
3. Confirm the result against the requested outcome before completion.

Email System Builder Skill

Set up complete email systems with beautiful templates, tracking, and deliverability best practices.

Purpose

Send transactional emails (welcome, password reset, receipts) and marketing emails (newsletters, campaigns) with professional templates.

When to Use

• Adding email to a new application
• Sending welcome/onboarding emails
• Password reset functionality
• Order confirmations and receipts
• Marketing campaigns and newsletters

Quick Start

python3 /home/ubuntu/skills/email-system-builder/scripts/setup_email.py \
  /path/to/project \
  resend

Usage Example

import { Resend } from 'resend'
import WelcomeEmail from '@/emails/welcome'

const resend = new Resend(process.env.RESEND_API_KEY)

await resend.emails.send({
  from: 'hello@example.com',
  to: user.email,
  subject: 'Welcome!',
  react: WelcomeEmail({ name: user.name })
})

Providers

• Resend - Modern, React Email (Recommended)
• SendGrid - Reliable, high volume
• Mailgun - Transactional focused
• AWS SES - Cost-effective at scale

Email Types

Transactional

• Welcome emails
• Password resets
• Order confirmations
• Receipts

Marketing

• Newsletters
• Product updates
• Drip campaigns

Best Practices

1. Use proper from address (not noreply@)
2. Include unsubscribe link (required by law)
3. Mobile-responsive design
4. Track opens and clicks
5. Handle bounces properly
6. Test deliverability

Time Savings

Manual: 2-3 hours
With Skill: 15-20 minutes
Saved: ~2 hours per project

Files

• scripts/setup_email.py - Automated setup
• templates/welcome-email.tsx - React Email template
• references/email_patterns.md - Best practices

Related Skills

• user-authentication-system - Send password reset emails
• analytics-dashboard - Track email engagement
• database-schema-generator - Create email tracking tables

Professional emails in minutes, not hours.