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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

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Playwright

Discover Playwright for end-to-end testing. Automate browser interactions, handle dynamic elements, and validate complex user flows with ease. Designed for QA testers who need speed, reliability, and precision in their test workflows.

Featured

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How to test login functionality using OTP codes with Playwright 

Broken or unreliable login systems can lead to frustrating user experiences, potential security vulnerabilities, and lost trust.

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Using Playwright for email verification testing

See how you can use Mailosaur to stop accounts getting blocked

Emily HarrisonOctober 22, 2025|
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Mailosaur and Playwright - Quickstart guide

Get Mailosaur up and running within your Playwright project in a few steps
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Customer story

Domino's Pizza

Explore how Domino's Pizza optimized their testing processes by integrating Mailosaur, a game-changing tool that enhanced efficiency in their email and SMS testing.

Blogs

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How to use Playwright for testing email edge cases

Test invalid email addresses, navigate junk handlers, and optimize your communication flow using Playwright.

Lucy CollinsNovember 21, 2024|
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Cypress vs Playwright: Which is Right for You?

If you’re at all familiar with testing for web applications and processes, you’ve probably heard of both Cypress and Playwright – two common and versatile tools for developing and automating testing.

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Getting started with Playwright

This article takes a look at Playwright, Microsoft’s new test automation framework, and compares it to some of the other major frameworks. Read on to discover how Playwright holds up against veteran frameworks and when it makes the most sense to use.