Martin Bergek » admin http://www.bergek.com About the web we live in and gadgets in general. Mon, 11 Oct 2010 22:05:26 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 Add DNS blacklist to Exchange 2007 http://www.bergek.com/2008/05/18/add-dns-blacklist-to-exchange-2007/ http://www.bergek.com/2008/05/18/add-dns-blacklist-to-exchange-2007/#comments Sun, 18 May 2008 22:45:39 +0000 admin http://www.bergek.com/2008/05/18/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 zen.spamhaus.org -LookupDomain zen.spamhaus.org -AnyMatch $True -Enabled $True -RejectionResponse “Your IP is blacklisted! http://www.spamhaus.org“

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