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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Blog

Explore the Mailosaur blog for expert insights on email & SMS testing, automation, and quality assurance

iPhone illustration with email client logos and iPhone dialog box

News

Mailosaur offers coverage for the brand new iPhone 17, iPhone 17 Air and iPhone 17 Pro Max, allowing you to preview your emails across the board.

Mobile and email graphic with mobile, desktop, MacOS and dark mode dialog boxes on a gradient background

Mailosaur vs Competitors

Let's talk email previews software; which is the best fit for your team?

Email and mobile phone illustration with Mailosaur and Playwright logos

Automation

An in-depth guide showing you how to test two-factor authentication with Playwright and Mailosaur.

MFA and 2FA

This will show you how to test two-factor authentication using SMS, or an authenticator app, with Mailosaur and the cross-platform JMeter automated testing tool.

Dark and light mode emails with Mailosaur and Mailtrap logos and running test dialogs

Mailosaur vs Competitors

Wondering which email testing tool is best for your team? Check out a real side by side comparison and make an informed choice.

MFA and 2FA

This tutorial shows you how to test two-factor authentication using SMS or an authenticator app with Mailosaur and the Katalon automated testing platform.

Mobile phone illustrations with pass and fail notifications and Mailosaur dashboard

Mailosaur vs Competitors

If your automated tests rely on receiving SMS from short codes, here’s a critical update: Mailosaur continues to support short code inbound SMS, while others no longer do.