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Sender ID not Configured

[This topic is intended to address a specific issue called out by the Exchange Server Analyzer Tool. You should apply it only to systems that have had the Exchange Server Analyzer Tool run against them and are experiencing that specific issue. The Exchange Server Analyzer Tool, available as a free download, remotely collects configuration data from each server in the topology and automatically analyzes the data. The resulting report details important configuration issues, potential problems, and nondefault product settings. By following these recommendations, you can achieve better performance, scalability, reliability, and uptime. For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at http://go.microsoft.com/fwlink/?linkid=34707.]  

Topic Last Modified: 2007-05-10

The Microsoft Exchange Best Practices Analyzer tool uses the following Exchange Management Shell cmdlet to query for the values of the Enabled and ExternalMailEnabled properties of the SenderIdConfig object for any target Exchange Server 2007 Edge Transport or Hub Transport server roles.

- get-SenderIdConfig

The value of the Enabled property specifies whether the Sender ID agent is enabled. Valid input for the Enabled parameter is $true or $false. The default setting is $true. When the Enabled parameter is set to $true, the Sender ID agent is enabled.

The value of the ExternalMailEnabled property specifies whether all messages from unauthenticated connections are passed through the Sender ID agent for processing. Valid input for the ExternalMailEnabled parameter is $true or $false. The default setting is $true. When the ExternalMailEnabled parameter is set to $true, all messages from unauthenticated connections are passed through the Sender ID agent for processing.

If the Exchange Best Practices Analyzer determines that the values for the SenderIdConfig object Enabled or ExternalMailEnabled properties are not set to $true, the Exchange Best Practices Analyzer displays a best practices message.

This message indicates that Sender ID is not enabled on the target Exchange 2007 Edge Transport or Hub Transport server roles.

Sender ID seeks to verify that every e-mail message originates from the Internet domain from which it claims to have been sent.

When Sender ID is enabled on a computer, it filters all messages that come through all Receive connectors on that computer. Only messages that come from external sources are filtered. External sources are defined as non-authenticated sources. These are considered anonymous Internet sources.

To address this issue, enable Sender ID on the target Exchange 2007 Edge Transport or Hub Transport server roles.

To use the Exchange Management Shell to enable Sender ID functionality
  • To enable sender filtering, run the following command:

    Set-SenderIdConfig -Enabled $true -ExternalMailEnabled $true
    

For more information about Sender ID, see the following topics:

 
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