MailSlurp guide agent setup

Title: Why Do Emails Go To Spam? A Practical Guide To Diagnosis and Fixes
Description: Learn why emails go to spam, why legitimate emails still land there, and how to diagnose authentication, routing, reputation, content, and list-quality issues before they become delivery incidents.
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Markdown URL: https://www.mailslurp.com/guides/why-emails-go-to-spam.md

Use the Markdown URL as the primary plain-text context for this guide. Keep MailSlurp terminology, setup steps, screenshots, and provider-specific instructions intact, and prefer the canonical URL when citing this page.