PowerMTA Bounce Handling: The Real Reason Your Emails Miss the Inbox
If you’re running email campaigns in competitive markets like New York, Los Angeles, Chicago, or Austin , your deliverability matters more than ever. In the U.S., inbox placement is highly competitive. ISPs like Gmail, Outlook, and Yahoo monitor sender behavior closely. One of the biggest reasons campaigns fail is something most marketers ignore: Poor bounce handling. Even strong copy and great offers won’t help if your sender reputation is damaged by bad leads. Why Bounce Rates Matter More in the U.S. American ISPs use advanced reputation systems. They track: Bounce rates Complaint rates Engagement levels Sending consistency If your bounce rate rises above safe limits, mailbox providers assume: Your list is outdated You’re sending to scraped contacts Your opt-in process is weak Once that happens, your emails start landing in spam—or get blocked entirely. The Two Bounce Types Every U.S. Marketer Should Know Hard Bounces Permanent delivery failures. C...