MailTs

Native TypeScript SMTP & IMAP mail SDK — zero runtime dependencies. Queue, DLQ, DKIM, iCal, HTTP transports and telemetry out of the box. A modern nodemailer alternative.

npm install @mailts/core

What MailTs gives you

Native SMTP — STARTTLS, PLAIN/LOGIN/XOAUTH2, PIPELINING, connection pool, DKIM signing.
Native IMAP — FETCH, MOVE/COPY/APPEND, CONDSTORE, IDLE and BODYSTRUCTURE-driven selective fetch.
HTTP transports — Resend, SendGrid, Mailgun, Postmark and Amazon SES, all zero-dependency.
Queue + DLQ — concurrency, priority tiers, exponential backoff, SQLite persistence and MailWorker for external queues.
iCal invites, health checks, telemetry hooks, templates and middleware.

Documentation

@mailts/core docs
API reference
Examples
Changelog
GitHub repository
npm package

This documentation site is interactive and requires JavaScript. A plain-text version for machines is available at /llms.txt.