MailSlurp guide agent setup Title: Soft Bounce vs Hard Bounce: How To Tell the Difference and What To Do Next Description: Learn the difference between soft and hard bounces, which failures are temporary or permanent, and how to handle retries, suppression, and sender diagnostics without damaging deliverability. Canonical URL: https://www.mailslurp.com/guides/soft-bounce-vs-hard-bounce/ Markdown URL: https://www.mailslurp.com/guides/soft-bounce-vs-hard-bounce.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.