Email Bounce Rate is the percentage of sent emails that are returned by the recipient's server as undeliverable. Bounces are typically categorized as either soft (temporary issue) or hard (permanent failure like invalid email addresses).
Divide the number of bounced emails by the total number of emails sent, then multiply by 100 to get the percentage.
Email Bounce Rate (%) = (Bounced Emails ÷ Emails Sent) × 100
Email Bounce Rate (%) = (Bounced Emails ÷ Emails Sent) × 100
If you send 10,000 emails and 300 of them bounce, your Email Bounce Rate is 3%. Keeping this rate low helps protect your sender reputation and ensure more of your emails reach the inbox.
OWOX BI connects your email platform data to help you monitor bounce trends and identify sources of bad emails. Use these insights to clean your list and improve future deliverability.
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A good Email Bounce Rate is under 2%. Rates lower than 1% are ideal and show you’re maintaining a clean and engaged list.
A bounce rate over 5% is a warning sign. It could be caused by outdated contacts, spam traps, or low-quality data, and can damage your ability to reach users.
Require subscribers to confirm their email addresses to prevent fake or mistyped contacts from entering your list.
Remove hard bounces and inactive subscribers on a regular basis to maintain a healthy database.
Set up SPF, DKIM, and DMARC to validate your sender identity and reduce the risk of being blocked or marked as spam.