Bounce Rate Reduction Guide (opens in new tab)

Bounce Rate Reduction: The Complete Technical Guide for Email Engineers Bounce rate is the silent killer of email deliverability. A rate above 2% gets you flagged. Above 5% gets you blocked. Most teams don't know they have a problem until their IP reputation is already damaged. This guide covers every technical lever you can pull to keep bounces below 1%. Hard Bounces vs Soft Bounces: What's Actually Happening A hard bounce means the recipient address doesn't exist — permanently. This is pois...