Bounce Rate
Bounce rate is the share of your emails that could not be delivered and came back.
A bounce is an email that did not get through. Bounce rate is the number of bounced emails divided by the number you sent, shown as a percentage.
A high bounce rate hurts your standing with email providers, so it pays to keep your list clean. Bounces come in two kinds: hard bounces and soft bounces.
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Start freeLast updated: June 25, 2026