Unable to quarantine message because the spam quarantine mailbox is invalid. Please configure the quarantine mailbox.

This Warning event indicates that the Content Filter quarantine mailbox is not configured.

To resolve this error, follow one or more of these steps:

• Log on to the Edge Transport server and configure the quarantine mailbox using the following Exchange Management Shell command: Set-ContentFilterConfig -QuarantineMailbox <SmtpAddress>

  For information about how to configure content filtering and the quarantine mailbox, see the following topics:

  • Configuring Content Filtering

  • Set-ContentFilterConfig

  • How to Specify a Spam Quarantine Mailbox

• If you experience mail flow interruptions or other problems in your Exchange environment after you try to resolve this issue, contact Microsoft Customer Support. For information about how to contact support, visit Microsoft Help and Support.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.