Node.js SDK for SigninID sandbox email testing API

The `mailtrap-email-testing` package allows you to send emails using the Mailtrap Email Testing API. Follow the steps below to use the package effectively.

Email authentication library for Node.js

Scaffold a working email-testing project — Playwright, Vitest or pytest — wired to a real MailFlat inbox.

A Node.js helper library to simplify SMTP server setup and email testing

AWS CDK construct for SES email testing infrastructure (maildummy)

The Mailosaur Node library lets you integrate email and SMS testing into your continuous integration process.

Simple library that adds webhook.site commands for email testing with cypress.io

A Cypress plugin for handling email testing with Courier

MCP server for Mailsac email testing service

Facilitates the use of ZURB's Ink for developers using the CLI with SASS, Email Testing, Compilation, etc...

Disposable email testing with AWS SES + S3 — CLI tool

Claude Code skill for spawnmail — disposable email testing

Zero-config email testing for Playwright: signup verification, password reset, magic links, email OTP and TOTP 2FA — powered by an auto-managed Mailpit instance.

Inboxical Cypress plugin — Email testing commands for Cypress

Extends Cypress' cy commands that let you integrate email and SMS testing into your continuous integration process.

Official TempMailer SDK — create inboxes, receive email, and extract OTP codes in one call. Built for automated email testing (Playwright, Cypress, CI).

A comprehensive Cypress testing template with Page Object Model, custom commands, email testing, and automatic PO generation

Simple and complete DOM testing utilities that encourage good testing practices.

Laravel-style mailer for Node.js — Mail.fake() + Mail.assertSent() for zero-setup email testing, provider switching via env var, works with Express/Fastify/any framework.