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spam confidence level

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- Spam confidence level (SCL) is a numerical value indicating the likelihood that an incoming email message is spam. SCL is a component of the Microsoft Exchange spam filter, Intelligent Message Filter (Exchange IMF).

The Exchange IMF evaluates message headers, content and other components of incoming mail and assigns an SCL ranking between zero and nine. An SCL of nine identifies a message that is almost certainly spam and an SCL of zero a message that is highly unlikely to be spam.

Learn more about Spam and virus protection

Securing your Exchange Server 2007 journaling archives: With work, journaling can be used to archive email in Exchange Server 2007. Get an understanding of how to create a tamper-resistant journaling mailbox.
Microsoft Exchange Server security dos and don'ts: Securing Exchange Server against spam and viruses is a challenge. Follow these security practices to protect Exchange from various email security threats.
Controlling spam in Exchange 2007 at the edge transport server level: There are many ways to control spam and viruses in Exchange 2007. Do you know how they work? Eliminating spam at the right server level is essential.
Securing your Exchange Server 2007 journaling archives: With work, journaling can be used to archive email in Exchange Server 2007. Get an understanding of how to create a tamper-resistant journaling mailbox.
Microsoft Exchange Server security dos and don'ts: Securing Exchange Server against spam and viruses is a challenge. Follow these security practices to protect Exchange from various email security threats.
Secure Edge Transport servers using the Security Configuration Wizard: Find out how to extend Windows Server 2003's Security Configuration Wizard in Exchange 2007 to protect Edge Transport servers from email viruses and spam.
The six-layered secret of effective Exchange Server email filtering: Discover the six key message-filtering layers that best block spam and viruses and keep unwanted email out of your Exchange 2003 or Exchange 2007 system.

LAST UPDATED:

24 Oct 2006

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More resources from around the web:

-	SearchExchange.com offers more information in their Crash Course: Exchange Intelligent Message Filter.
-	Microsoft explains SCL in more detail.

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