Articles

Practical guides for email testing that hold up in CI.

Start here when you need a clean walkthrough for OTP verification, magic-link auth, or the inbox primitives that make the rest of PostMX work.

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Start with the guide that matches your workflow.

Each article is built to stand on its own while still pointing back to the product pages and docs when you need the broader context.

Playwright 5 min read

How to automate email OTP verification in Playwright

Create a temporary inbox, wait for the next message, and read the OTP without brittle mailbox UI steps or regex scraping.

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Cypress 6 min read

How to test magic link authentication in Cypress without mocking

Keep the login journey real by using a PostMX inbox to capture the link, then drive the browser with the returned URL.

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Getting started 7 min read

Getting Started with PostMX: The Developer’s Guide to Painless Email Testing

Learn the core PostMX flow, from provisioning an inbox to extracting OTPs and links, plus local CLI debugging when you need it.

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