Email accessibility: a practical guide to WCAG 2.2
A simple guide to the key principles of WCAG, why they're in place, and how to test your emails for them.
Tutorials
Step-by-step guides that show you exactly how to test with Mailosaur, from getting started to automating 2FA, email verification and CI/CD checks.
What your email HTML reveals (before you send)
See how you email's HTML is the best clue to how it'll render for different users
How to test OTPs automatically (without breaking the user experience)
One-time passcodes are a fundamental part of authentication, but how can you test them in CI/CD?
Top tips for email testing in CI/CD pipelines
Automate email verification, catch failures early, and protect user trust without manual guesswork.
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.
Automate email verification testing in Playwright (links + OTPs)
Test email verification flows, including magic links and OTPs quickly and easily with Playwright
How to create a good SMS testing plan
SMS testing plans are important for staying on track when testing the functionality of your SMS campaigns. Without a clear test plan it’s easy to get disorganized, which can lead to inefficient testing, missing or unusable results, and other mistakes slipping through the cracks.
How to create a good email testing plan
If you’re sending emails out to a lot of people, it’s critical to have a good email testing plan in place.
Tutorial: How to Automate Testing of Two-Factor Authentication with JMeter and Mailosaur
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.
Tutorial: two-factor authentication testing with Playwright and Mailosaur
An in-depth guide showing you how to test two-factor authentication with Playwright and Mailosaur.
Tutorial: Automated testing of 2FA with Mailosaur and Katalon
This tutorial shows you how to test two-factor authentication using SMS or an authenticator app with Mailosaur and the Katalon automated testing platform.
How to automate password reset tests with Selenium
Bring an end to broken password resets driving away users.
How to automate email verification with Selenium
Stop people being blocked out of accounts new and old.