This guide details how to implement transactional emails in Node.js applications for production readiness, moving beyond basic SMTP. It emphasizes using an API-based approach for reliability, addressing common issues like security, latency, spam, and rate limiting. The framework covers crucial aspects such as authentication, retries, failure handling, and specific use cases like email verification, password resets, and OTPs, all while using Senviok as an example API.
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