Enabling Anti-spam on Exchange 2010


By default Microsoft Exchange will accept all email for any domain that it handles regardless if the destination user exists or not. To prevent this behavior and force the Exchange server to only accept email for legitimate users, you can enable the Anti-spam settings in the Exchange Management Console. By default the Microsoft Anti-spam feature is not installed but does exist on the Exchange server. Follow the below steps to install and enable this feature.

Step 1 :

Open the Exchange Management Shell and change directories to the scripts folder:

cd c:\Program Files\Microsoft\Exchange Server\v14\Scripts


Step 2 : 

Install the anti-spam functionality by executing the appropriate script:

.\install-AntispamAgents.ps1

 

ex console1

 

Step 3:

Restart the Microsoft Exchange Transport Service

ex service1

 

Step 4:

- Open the Exchange Management Console and navigate to: Organizational Configuration > Hub Transport > Anti-spam

- Double click Recipient Filtering

- Select the Blocked Recipients tab

- Check the box Block messages to recipients that do not exist in the directory

- Click OK

- Restart the Microsoft Exchange Transport service again

 

 Further reading: http://technet.microsoft.com/en-us/library/bb201691.aspx

 

 


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