Bounce Rate
01 Definition
Bounce Rate meaning: The percentage of sent emails that could not be delivered.
Email bounce rate divides bounced messages by attempted deliveries. Hard bounces usually indicate a permanent failure while soft bounces are temporary.
Also called
email bounce
Why it matters
How Bounce Rate fits the work
Rising bounces can damage sender reputation and signal poor list hygiene.
In context
A validation problem caused the campaign's bounce rate to spike.
Practical note
Remove invalid addresses and investigate acquisition sources rather than repeatedly mailing hard bounces.