How to Send Emails via TypeScript: Client-Side and Server-Side Methods Explained
Blog post from Mailtrap
TypeScript applications can send emails through three main approaches: EmailJS for client-side delivery without server code, Nodemailer for server-side SMTP integration, and Mailtrap’s Node.js SDK for API-based sending. The EmailJS section explains creating an account, connecting an email provider, configuring templates with matching placeholders, and using either `send()` for direct messages or `sendForm()` for contact forms in a Vite-based TypeScript project. The Nodemailer example covers initializing a Node.js project, configuring TypeScript and SMTP credentials through environment variables, creating a reusable transport function, and sending either plain-text or HTML messages. The Mailtrap SDK approach uses an API token and a typed email service wrapper to send transactional text or HTML emails with minimal configuration. Across all methods, the article emphasizes securely storing credentials, correctly configuring sender domains and template fields, and using console output or Mailtrap logs to verify delivery.
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