Is Nodemailer safe to use in your test suite?
Nodemailer is a small, send only library with a good safety record. The danger in a test suite is never the package itself, it is the transport you hand it and the credentials sitting in CI.
Developer & CI
Wiring a real inbox into your test suite: Playwright, Cypress, GitHub Actions, Node, Python and PHP, asserting on the mail your app actually sent instead of mocking it away.
Powered by the InboxDome APIEmail testing with Playwright, end to end
Give every Playwright test its own real, receivable inbox: a fixture, a signup spec that waits for the verification code, assertions on the mail itself, and what to change for CI.
The best email API depends on which job you actually have
Three different products hide behind one search. This is an honest roundup of sending APIs, inbound APIs and email testing APIs, including the cases where InboxDome is the wrong tool.