Email Bouncebacks Explained: What You Need to Know

Royal Imanli09.30.2025

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Email Bouncebacks Explained: What You Need to Know

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Find answers to common questions about email verification.

What exactly does an email bounce mean, and why does it happen?

An email bounce means your message couldn’t be delivered to the recipient’s inbox. This usually happens because the email address is invalid, the mailbox is full, or the recipient’s server temporarily rejects the message.

What’s the difference between a hard bounce and a soft bounce?

Hard bounce: A permanent failure, such as an invalid or non-existent address. Soft bounce: A temporary issue, like a full inbox or a server that’s down at the time.

How do bouncebacks affect your sender reputation and deliverability?

High bounce rates signal poor list quality to email service providers. Over time, this lowers your sender reputation, making it more likely your future emails will go to spam even for valid contacts.

Can bounced emails be fixed, or should they be removed from your list?

Hard bounces should be removed immediately because they cannot be fixed. Soft bounces can be retried, but if the issue continues, those addresses should also be cleaned from your list.

What steps can you take to prevent future bouncebacks in your campaigns?

The best way is to validate your email list regularly with a service like VitaMail. This ensures you only send to safe, active addresses and avoid invalid or risky ones that could harm your deliverability.

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Email Bouncebacks Explained: What You Need to Know

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