Filtered messages must be archived.

From Exchange 2010 Edge Transport Server STIG

Part of Exch-2-308

Associated with IA controls: ECSC-1

SV-44062r1_rule Filtered messages must be archived.

Vulnerability discussion

By performing filtering at the perimeter, up to 90% of SPAM, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server environment. This significantly reduces the attack vector for inbound Email-borne SPAM and malware. As messages are filtered, it is prudent to temporarily host them in an archive for evaluation by administrators or users. The archive can be used to recover messages that might have been inappropriately filtered, preventing data loss, and to provide a base of analysis that can provide future filter refinements.

Check content

Open the Exchange Management Shell and enter the following command: Get-ContentFilterConfig | Select QuarantineMailbox If no SMTP address is assigned to 'QuarantineMailbox', this is a finding.

Fix text

Open the Exchange Management Shell and enter the following command: Set-ContentFilterConfig -QuarantineMailbox <'SmtpAddressOfMailbox'>

Pro Tips

Lavender hyperlinks in small type off to the right (of CSS class id, if you view the page source) point to globally unique URIs for each document and item. Copy the link location and paste anywhere you need to talk unambiguously about these things.

You can obtain data about documents and items in other formats. Simply provide an HTTP header Accept: text/turtle or Accept: application/rdf+xml.

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