Mailgun is a popular transactional email API trusted by developers for reliable delivery. But how do...
ZeroDrop enables automated Mailgun email testing in CI/CD using disposable inboxes with auto-extracted verification links and OTPs. Eliminates sandbox limitations for signup/template workflows, reducing production delivery failures and onboarding bugs in GitHub Actions.
Mailgun is a popular transactional email API trusted by developers for reliable delivery. But how do you test that your Mailgun emails actually arrive, contain the right content, and work end-to-end in CI?
This guide covers the full testing progression — from local development to automated Playwright tests in GitHub Actions.
The app we're testing
A Next.js API route that sends a verification email via Mailgun:
// app/api/auth/signup/route.ts
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