MailSlurp guide agent setup

Title: Testing Webhook Responses for MailSlurp Events
Description: Learn how to test MailSlurp webhooks with deterministic success and failure scenarios, including retry handling and endpoint reliability checks.
Canonical URL: https://www.mailslurp.com/guides/testing-webhooks/
Markdown URL: https://www.mailslurp.com/guides/testing-webhooks.md

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