# Bounces and auto-pause | GTM and Outreach

Source: https://exntra.in/help/bounces

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# Bounces and auto-pause

Hard and soft bounces, and how campaigns protect your mailboxes.

[Open in the app →](https://app.example.com/#/campaigns)

A **bounce** is an email that couldn’t be delivered.

## Hard bounces

The address doesn’t exist. For example “mailbox does not exist”.

-   The address is **blocked across your whole account** at once.
-   It is never emailed again, from any campaign.

## Soft bounces

A temporary problem. For example a full mailbox.

-   We **retry 3 times over 72 hours**.
-   If it still fails, it counts as a hard bounce.
-   You can block a soft bounce yourself from the domain page.

## Auto-pause

Each campaign has a bounce limit. The default is **5%**. When the bounce rate reaches it, the campaign **pauses itself**. 2–3% protects your mailboxes better.

When a campaign pauses:

1.  Check your list. Remove old or bought contacts.
2.  Check your domain’s SPF, DKIM and DMARC.
3.  Then click **Resume**.

## See every bounce

Open **Mailboxes**, then a domain. You see the daily bounce rate and every bounced email, with the code and reason from the receiving server.

## Keep bounces low

-   Import from fresh, trusted lists.
-   Let us check contacts on import. See [How we check contacts](/help/contact-checks).

[Previous**Understand your results**](/help/campaign-results) [Next**Pause, edit and restart a campaign**](/help/manage-campaign)

**Still stuck?** Use the chat button inside the app, or email us at [support@example.com](mailto:support@example.com).