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Mailosaur for...

Engineering

Automate and test email and SMS workflows

Quality Assurance

Empower your team and improve email quality

Product Management

Demo and improve your product using email and SMS

Marketing

Deliver high-quality, targeted email campaigns

Solutions

Email Testing

Create end-to-end tests that depend on email

SMS Testing

Automate and use SMS messages during testing

Email Previews

View your email in Gmail, Outlook and mobile devices

Test automation

See how easy it is to automate all the tests you thought you couldn't

Features

Rules

Create automated rules that simulate every type of scenario including email bounces and out-of-office replies

Custom Domains

Unlimited recognisable email addresses for your brand

Enterprise SSO

Centralized security for your organization

Forwarding Rules

Set up rules that automatically forward your emails to certain inboxes

Links and Codes

Peace of mind that you are sending exactly what you mean to, everytime

Message Analysis

Ensuring the quality of your content is never compromised

Sending, Replying and Forwarding Emails

Seamless email and SMS interactions, every time

Virtual SMTP Servers

Use Mailosaur as a dummy SMTP server to catch every email your product sends

Products
Customers
Pricing
Docs
Company
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Email & SMS testing for startups

The scalable testing platform that can keep up with you

Trusted by the big businesses of tomorrow

Assortment of brand logos including Forbes, Uber, Paypal, Checkout.com, UEFA and Aer Lingus.
Assortment of brand logos including Forbes, Uber, Paypal, Checkout.com, UEFA and Aer Lingus.
Image of man on laptop with test results window on gradient background
Image of man on laptop with test results window on gradient background

Build quicker than the competition

We understand that your developers’ time is too important to waste. With Mailosaur, build end-to-end tests in minutes not days, and improve quality standards to get your business ahead of the competition.

Mailosaur dashboard with team member dialog window

Always moving your business forward

Your testing infrastructure should accelerate your business, not slow you down. Empower your team with a solution that solves some of the most complex testing scenarios, rather than maintaining your existing infrastructure.

Mailosaur dashboard with team member dialog window

Work the way you know

Integrate with any CI platform

Seamlessly integrate email and SMS testing into any build pipeline, including support for GitHub Actions, Jenkins, TeamCity, and more.

Use your favorite framework

Write tests with the tools and frameworks you know. Mailosaur support testing frameworks including Cypress, Playwright, and Robot Framework.

Test in any language

Mailosaur's straightforward client libraries provide support for languages including Node.js, Java, Python, .NET, Ruby, PHP, and Go.

Email and mobile illustration with pass and fail notifications on gradient background
Email and mobile illustration with pass and fail notifications on gradient background

Centralize tests that rely on communication

Reliable communication testing

With millions of messages tested every single day, you’re in safe hands with the world’s most powerful email and SMS testing platform.

Email and SMS testing in one place

With Mailosaur, you only need one platform for full end-to-end coverage to streamline your testing process.

Our products

Everything you need to test customer communication

Email testing

Create end-to-end tests that rely on email. Test account verification emails, password resets, email tracking, and more.

Email previews

Instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.

SMS testing

Build text messages that work. Create end-to-end tests that cover identity verification, alerting, promotional messages, and more

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