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A step-by-step guide to testing OTP and 2FA emails in automated suites — fetch the email by API and extract the passcode with a regex, with working Cypress and Playwright examples.
Test emails get blocked when platforms reject disposable or public domains. Learn why it happens and how a private testing domain fixes validation, privacy, and collisions for automated QA.
Most “email testing tool” lists are written for marketers. This guide covers the tools built for QA engineers who need to check, in an automated test, that an app sent the right email with the right data — and explains why design and delivery tools are partners, not rivals.
A practical comparison of Mailinator and Mailosaur for QA engineers and automation testers — pricing, scale, free tiers, and why Mailinator is the better long-term choice for teams that automate email and SMS workflow testing.
