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How to Enable Sender Reputation

 

Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1, Exchange Server 2007

Topic Last Modified: 2007-03-15

This topic explains how to use the Exchange Management Console or the Exchange Management Shell to enable sender reputation. Sender reputation is anti-spam functionality that is enabled on computers that have the Microsoft Exchange Server 2007 Edge Transport server role installed to block messages according to many characteristics of the sender. Sender reputation relies on persisted data about the sender to determine what action, if any, to take on an inbound message.

Note   By default, sender reputation is not installed on the Hub Transport server. For more information about installing and running sender reputation on the Hub Transport server, see How to Enable Anti-Spam Functionality on a Hub Transport Server.

To perform the following procedures on a computer that has the Edge Transport server role installed, you must log on by using an account that is a member of the local Administrators group on that computer.

Also, before you perform these procedures, confirm the following:

By default, sender reputation processing is enabled on the Edge Transport server for inbound messages that come from the Internet but are not authenticated and are therefore handled as external messages.

The Protocol Analysis agent is the underlying agent for sender reputation functionality. It's important to understand that when you perform the following procedures, sender reputation functionality is enabled or disabled, but the underlying Protocol Analysis agent is still enabled. To disable the underlying Protocol Analysis agent, run the Disable-TransportAgent cmdlet.

  1. Open the Exchange Management Console on the Edge Transport server.

  2. In the console tree, click Edge Transport.

  3. In the work pane, click the Anti-spam tab, and then select Sender Reputation.

  4. In the action pane, click Enable or Disable as appropriate.

  • To enable sender reputation, run the following command:

    Set-SenderReputationConfig -Enabled $true
    
  • To disable sender reputation, run the following command:

    Set-SenderReputationConfig -Enabled $false
    

For detailed syntax and parameter information, see Set-SenderReputationConfig.

By default, sender reputation is enabled for external messages. The following procedures demonstrate how to enable or disable sender reputation for internal and external messages by using the Exchange Management Shell. You cannot use the Exchange Management Console to enable or disable sender reputation for internal or external messages.

  • To enable sender reputation for external messages, run the following command:

    Set-SenderReputationConfig -ExternalMailEnabled $true
    
  • To disable sender reputation for external messages, run the following command:

    Set-SenderReputationConfig -ExternalMailEnabled $false
    

  • To enable sender reputation for internal messages, run the following command:

    Set-SenderReputationConfig -InternalMailEnabled $true
    
  • To disable sender reputation for internal messages, run the following command:

    Set-SenderReputationConfig -InternalMailEnabled $false
    
 
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