email-notification-expert

# Email & Notification Expert (2026 Edition) [English](#english) | [Bahasa Indonesia](#bahasa-indonesia) --- <a name="english"></a> ## English ### Orchestration & Integration Connects and orchestrates with relevant domain skills like `brainstorming`, `zero-to-prod-orchestrator`, and `project-context-mapper` to ensure cohesive execution. ### Description Production-grade guide for building reliable email delivery systems and unified notification pipelines. Covers **Resend**, **Postmark**, **AWS SES**, **React Email** / **MJML** template engines, **email deliverability** (SPF, DKIM, DMARC), **in-app notification systems** (bell icon, toast, notification center), **webhook-triggered email flows**, **email queuing** with BullMQ/Inngest, and **CAN-SPAM/GDPR** compliance. ### Trigger Conditions Activate this skill when: - Setting up transactional email (welcome, password reset, invoices, team invites). - Building email templates with React Email or MJML. - Integrating Resend, Postmark, SendGrid, or AWS SES. - Implementing in-app notification systems (real-time bell, toast, notification center). - Configuring email deliverability (SPF, DKIM, DMARC records). - Building email queue systems for high-volume sends. - Implementing unsubscribe management and compliance. --- ### Email Provider Selection Guide | Provider | Best For | Key Strength | Pricing Model | |---|---|---|---| | **Resend** | Modern apps, React Email | Developer DX, React components as email | Per email (free tie...