ContentCopywritingDemand · Campaigns

Email Template Builder

Build complete transactional email systems: React Email templates, provider integration (Resend, Postmark, SendGrid, AWS SES), preview server, i18n support, ...

by Alireza Rezvani·MIT·14922 on GitHub·updated 2026-05-15
claude plugin marketplace add alirezarezvani/claude-skills

Description

Build complete transactional email systems: React Email templates, provider integration (Resend, Postmark, SendGrid, AWS SES), preview server, i18n support, dark mode, spam optimization, analytics tracking. Use when adding transactional email to a new product, migrating between email providers, refactoring legacy email templates for accessibility, or adding internationalization to existing temp...

What this skill does

  1. 1Generates production-ready React Email TSX components for welcome, verification, password reset, invoice, notification, and weekly digest templates.
  2. 2Implements dark mode using CSS media queries with !important overrides compatible with major email clients.
  3. 3Builds a unified send function supporting Resend, Postmark, SendGrid, and AWS SES with automatic UTM tracking added to all links.
  4. 4Adds typed i18n translation keys per template to support multi-language email delivery from a single component.
  5. 5Runs a spam score optimization checklist covering SPF/DKIM/DMARC, text-to-image ratio, subject line hygiene, and unsubscribe compliance.

When to use

  • Setting up transactional email for a new product and needing production-ready templates fast.
  • Migrating from a legacy email system to React Email with a different sending provider.
  • Adding new email types — invoices, weekly digests, admin notifications — to an existing system.
  • Debugging deliverability issues and needing a spam score audit and checklist review.

Tools used

Postmark· Email InfraSendGrid· Email InfraAWS SES· Email Infra

Best for

Marketing Manager

Format

TemplateWorkflowPlaybook

Source repository

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