MailSlurp guide agent setup

Title: Email Seed Lists: Run a Placement Test You Can Trust
Description: Build an isolated email seed test in your ESP, use the current MailSlurp marker, catch excluded recipients and read provider placement correctly.
Canonical URL: https://www.mailslurp.com/guides/email-seed-list/
Markdown URL: https://www.mailslurp.com/guides/email-seed-list.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.