MailSlurp guide agent setup Title: Go SMTP tutorial with TLS using emersion go-smtp Description: Send email with Go using the emersion go-smtp package, TLS settings, and a practical test checklist for production SMTP workflows. Canonical URL: https://www.mailslurp.com/guides/emersion-go-smtp-email-tutorial/ Markdown URL: https://www.mailslurp.com/guides/emersion-go-smtp-email-tutorial.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.