Interpreting DSNs correctly is crucial for effective email marketing. Here are some key points to consider:
Bounce Codes: Understand the various SMTP bounce codes, such as 550 (mailbox unavailable) or 554 (transaction failed), to diagnose issues. Soft vs Hard Bounces: Differentiate between soft bounces (temporary issues) and hard bounces (permanent issues) to manage your list effectively. Actionable Insights: Use the information provided in DSNs to take corrective actions, such as removing invalid email addresses or improving your email copy.