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

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Best practices

The biggest hidden complication in email and SMS testing

Learn how to ensure privacy, data protection, and secure workflows with compliant test environments for QA and automation.

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Best practices

Flaky email tests; the problem, causes and solutions

Don't let flaky tests impact your release times, drive-up maintenance costs, or impact your team morale.

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

Mailosaur vs Competitors

The ultimate email testing tool: comparing Mailosaur and Mailtrap

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

Playwright

Using Playwright for email verification testing

See how you can use Mailosaur to stop accounts getting blocked

Best practices

Structure of an email

The structure of email has evolved to accommodate improvements to its overall functionality from its early plain text ancestors. Learn more about the structure of a modern email and its functions.

Best practices

Top 5 iOS UI testing frameworks in 2021

n this article, we discuss the importance of automated UI testing for iOS apps, and provide recommendations on which frameworks you should use to create your test scripts.

Best practices

Transitioning from Manual Testing to Automated QA

In this article, we examine why QAA is an essential part of modern software development, and go through the steps to begin your QAA journey.

Best practices

Functional vs Non-Functional: Which should I use for email testing?

Functional testing makes sure the information input into the system outputs the correct results, and non-functional testing covers parameters that functional testing doesn’t, like security, reliability, and performance.

Best practices

Image Alternative Text for Emails

Learn what alternate text is, why it's crucial for accessibility, SEO, and image loading issues.

Best practices

The ultimate guide to SMS testing

From manual checks to fully automated workflows, here’s how to test SMS with confidence.

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News

How will your emails look on Apple’s iPhone 17?

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.

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Mailosaur vs Competitors

Email preview software: the best Litmus alternatives

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

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