What Is a Good Email Bounce Rate?

A good email bounce rate is under 2 percent, and clean lists often run closer to 1 percent. Cross 2 percent and mailbox providers start flagging your domain; past 5 percent they route your campaigns to spam for everyone. You stay in the safe zone by verifying addresses before you send and removing hard bounces immediately.

The thresholds

Bounce rateWhat it means
Under 1%Excellent. The mark of a well-maintained, verified list.
1% to 2%Healthy. Normal range; keep doing what you are doing.
2% to 5%Warning. Providers start flagging the domain; clean the list.
Over 5%Danger. Campaigns get routed to spam for every recipient.

Why the number matters so much

Bounce rate is one of the clearest signals mailbox providers use to judge your sending. A low rate says you maintain your list; a high one says you do not, and they treat the whole domain accordingly. It is less about any single bounce and more about what the rate says about your habits.

How to stay under 2 percent

  1. Verify new contacts on entry so dead addresses never reach a send.
  2. Remove hard bounces immediately; never retry them.
  3. Re-scan your list every few months as addresses decay.
  4. Exclude risky addresses from cold campaigns.
Bounce Cleaner keeps your bounce rate in the safe zone by verifying contacts before they are ever emailed and tagging dead addresses so a smart list can skip them.

Frequently asked questions

Is bounce rate the same as soft and hard bounces combined?

Total bounce rate includes both, but hard bounces (dead addresses) are the ones that hurt your reputation. Soft bounces are temporary, like a full mailbox. Verification targets hard bounces specifically.

What bounce rate gets me blocklisted?

There is no single magic number, but sustained rates above 5 percent put you at real risk, and spam-trap hits can blocklist you at any bounce rate. Staying under 2 percent keeps you well clear.

Does a small list have a higher bounce rate?

Not inherently, but on a small list each bounce is a larger percentage, so one or two dead addresses can spike the rate. Verifying matters just as much for small lists.

Related guides

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