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Raidboxes Mail: Set Up a Catch-All Mailbox

Learn how to set up a catch-all mailbox for your domain and receive emails sent to addresses that don't exist.

Written by Kerstin Kegel

What is catch-all and how does it work?

The catch-all feature allows you to receive emails sent to non-existent addresses on your domain. Instead of being rejected, these messages are delivered to a designated mailbox.

This can be useful if someone makes a typo in an email address or if you want to receive messages sent to different addresses on your domain without creating a separate mailbox or alias for each one.

📩 Example:

Let's say you own the domain example.com and have set up catchall@example.com as your catch-all mailbox.

Emails sent to the following addresses, assuming they don't already exist, will automatically arrive in your catch-all mailbox:

  • hello@example.com → catchall@example.com

  • wordpress@example.com → catchall@example.com

  • inof@example.com → catchall@example.com

Emails sent to existing mailboxes or aliases will continue to be delivered as usual.


How do I set up a catch-all mailbox?

💡 Important: To use the catch-all feature, you need to create a dedicated mailbox named catchall@yourdomain.com within your Raidboxes Mail contract for the relevant domain.

Follow these steps:

  1. Open the Emails section in your Raidboxes Dashboard.

  2. Click the button Create New Inbox.

  3. Select the Raidboxes Mail contract associated with your domain and click Next

  4. Create a new mailbox named catchall under that contract.

  5. Set a password for the mailbox and complete the setup.

Once created, this mailbox will receive emails sent to non-existent addresses on your domain.
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If you need more thorough instructions on how to create a new mailbox, please see our guide on how to purchase a mailbox.


What should I know before using catch-all?

  • A dedicated mailbox is required: Catch-all needs its own mailbox, which counts towards the maximum number of mailboxes allowed under your Raidboxes Mail plan.

  • Existing addresses are unaffected: Emails sent to existing mailboxes and aliases will continue to be delivered normally.

⚠️ Please note: Enabling catch-all may increase the amount of spam you receive, as messages sent to any non-existent address on your domain will also be accepted.


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