MailSlurp guide agent setup Title: Transactional Email API Fundamentals Description: Understand how a transactional email API sends receipts, verification links, and account alerts. Learn what to check before connecting it to your application. Canonical URL: https://www.mailslurp.com/guides/transactional-email/ Markdown URL: https://www.mailslurp.com/guides/transactional-email.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.