MailSlurp documentation agent setup

Title: Email service provider guides
Description: Preview delivered ESP campaigns across email clients and test where they land with MailSlurp device rendering and inbox placement tutorials.
Canonical URL: https://www.mailslurp.com/docs/esps/
Markdown URL: https://www.mailslurp.com/docs/esps.md

Use the Markdown URL as the primary plain-text context for this page. Keep API examples and MailSlurp terminology intact, and prefer the canonical URL when citing this page.