Computers Windows

Add DNS blacklist to Exchange 2007

Exchange 2007 brings some new changes to the table but for many, like me, who have to migrate from a previous version it can be troublesome. All features of previous versions seem to be there but for some reason many of them are not available from the GUI but instead have to be configured via the new shell console. Personally I would rather have a strict file-based configuration than the strange mix here but switching from Microsoft was not on the table. One setting that was missing from the GUI was the ability to set a DNS blacklist to use to detect incoming spam mail. I wanted to use the Spamhaus Zen blacklist and had to enter the following command:

Add-IPBlockListProvider -Name -LookupDomain -AnyMatch $True -Enabled $True -RejectionResponse “Your IP is blacklisted!“

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