by Management-Ware Solutions
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by Management-Ware Solutions
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A high bounce rate wastes sends, hurts your sender reputation, and can get your account throttled. The good news: most bounces are preventable. Here is what causes them and how to bring your bounce rate down.
What is an email bounce?
A bounce is an email the receiving server refuses to deliver and returns to you. There are two kinds: a hard bounce, where the address is permanently invalid or does not exist, and a soft bounce, a temporary failure such as a full mailbox or a server that is briefly unavailable. Hard bounces are the ones that damage your reputation.
What is a healthy bounce rate?
Keep it as low as you can. Many senders treat a bounce rate above a couple of percent as a warning sign that the list needs cleaning. A high rate tells mailbox providers you are mailing addresses you should not be, which pushes more of your mail to spam even for valid recipients.
How do you reduce hard bounces?
Hard bounces come from bad addresses, so the fix is list quality at the source.
- Never buy or scrape lists — use opt-in signups only.
- Use double opt-in so typos and fake addresses never make it onto the list.
- Remove any address that hard-bounces immediately, and never mail it again.
- Re-confirm old, inactive contacts before mailing them again.
How do you reduce soft bounces?
Soft bounces are often about reputation and volume rather than the address itself. Authenticate your domain with SPF, DKIM and DMARC so servers trust you, warm up new sending gradually instead of blasting, and control your send rate so you don’t trip volume limits. Consistent, moderate sending to engaged contacts keeps soft bounces rare.
How does Mass Mailing News help with bounces?
Mass Mailing News includes bounce handling that manages addresses which fail, removes opt-outs automatically, and lets you throttle your send rate and rotate SMTP servers to protect your reputation. Because it sends through your own authenticated SMTP, your SPF and DKIM apply to every message. Pair it with clean, opt-in list habits and bounces stay low.
Want the wider deliverability picture? Read why bulk email goes to spam and how to stay compliant, or download the free edition to start.
Frequently Asked Questions
What causes a high email bounce rate?
Mostly invalid or outdated addresses (hard bounces) from bought lists or typos, plus temporary issues such as full mailboxes or busy servers (soft bounces).
What is a hard bounce vs a soft bounce?
A hard bounce is a permanent failure — the address does not exist. A soft bounce is temporary, like a full mailbox. Hard bounces hurt your reputation most.
How do I clean my email list?
Remove hard-bounced addresses, use double opt-in to keep bad addresses off the list, and re-confirm inactive contacts before mailing them again.
Does bounce rate affect deliverability?
Yes. A high bounce rate signals a poor-quality list, which pushes more of your mail — even to valid recipients — into the spam folder.
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