MailSlurp guide agent setup Title: Email and SMS deliverability load testing with MailSlurp Description: Run email deliverability testing and SMS delivery testing at scale. Track missing messages across inboxes and phone numbers, monitor runtime, and export results for analysis. Canonical URL: https://www.mailslurp.com/guides/email-and-sms-deliverability-load-testing/ Markdown URL: https://www.mailslurp.com/guides/email-and-sms-deliverability-load-testing.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.