Signup tests
Validate email verification flows against real inbound mail.
Cypress email testing
Test app emails in Cypress without mailbox hacks
Use PostMX to spin up inboxes on demand, wait for inbound messages, and pass OTPs or links back into Cypress test steps.
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Reset flows
Assert reset delivery and use the returned link inside Cypress.
CI runs
Use isolated temporary inboxes to keep parallel runs clean.
Reusable inboxes
Keep recurring workflow addresses stable when needed.
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Run Cypress against real inboxes
Keep OTP, verification, and reset email assertions inside the same test flow.