RSpec Email Testing Without MailCatcher
Test signup, OTP, and magic-link flows in RSpec with no local mail server. No MailCatcher daemon, no regex — just real email verification in CI.
ZeroDrop Blog
Email verification testing in CI — Playwright, Cypress, pytest, and AI agents.
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How to let AI agents verify email signups
Coding agents can build a signup flow but can't open the inbox. Here's how to give an agent a real disposable inbox over MCP, so it can complete the loop itself.