Email and SMS Workflow Testing

Mailinator allows Developers and QA Testing teams to automatically test their SMS and Email workflows like 2FA verifications, sign-ups, and password resets with trillions of inboxes at your fingertips. Whether you do Manual Testing, use an API, or a framework like Selenium, Cypress, Playwright, or Puppeteer - Mailinator will close the loop on email/SMS testing.


Mailinator is Your Private Message Routing System

QA Testing Teams and Developers around the globe use Mailinator to route email and SMS messages with an ever-growing set of features, including webhooks and our API. 

Mailinator chart of technical features

Application Features

Mailinator offers a robust feature set to ensure that your email and SMS workflows remain intact and operational.

Quality Assurance

Utilize Mailinator to perform your QA testing on your email delivery systems, without risking sending to a real-life audience.

Email Receipt Testing

Verify that you bulk email delivery services are working as intended with Mailinator’s public inbox.

Load Testing

Test the resiliency of your email systems by performing load testing in a safe, development environment with Mailinator.

Email Interactions

Transform how you communicate with customers by utilize our platform to develop and test email and SMS interactions.

Mailinator's Free Disposable Email

Mailinator still offers a 100% free, public disposable email system. You can use any address and check those public inboxes by entering the public inbox in the field below.

Mailinator Subscription Plans

Verified Pro



with Verification
  • Our Free plan for a single user looking to gain efficiency for automating the testing of their workflows with the benefit of a private domain and access to our API



Per Month
  • An ideal plan for a small team looking to gain efficiency for automating the testing of their workflows with the benefit of a private domain and access to our API.



Per Month [Starting At]
  • Enterpise plans are custom built for your unique needs. This plan can accommodate high volumes, custom features, custom terms, or bespoke onboarding support.

Recent Blog Posts

Feature Update: Advanced Routing Rules

We’ve just added some big improvements to Mailinator’s Routing Rules. There are new conditions! You can flag emails based on To: , From: , Subject: , and the IP address from which it was sent. Here we’re setting up a rule to automatically click the links in any one-time-password test emails. (assuming your OTP tests […]

Mailinator on TestGuild’s Automation Testing Podcast

The name ‘Joe Colantonio’ is well known in the automation testing field. Joe worked for many years as a software test automation engineer and became an expert in the industry while working for a Fortune 100 company. Joe founded Test Guild, an organization dedicated to educating its audience on everything to know about testing. He […]

Evolving Verified Pro

Free Email Testing Service How it Started Mailinator began as a free service that allowed users to avoid having to sign up for emails they didn’t want. Slowly, the internet learned about the existence of Mailinator. As time passed, people from around the world figured out different ways to use the software. Soon, programmers realized […]

Mailinator API: A Guide

Testing Emails Using our new “Run in Postman” button Ever wish you could check if the email you are testing as part of a signup, login, or forgotten password flow has landed via the API? How about deleting all of the emails, or fetching the links from within an email? With Mailinator, you can! API […]