Over at AllSpammedUp.com I’ve written an article on the Exchange 2007 Connection Filter agent, and I walk through the steps to configure it to use SpamHaus as an IP Block list provider. A correctly configured Connection Filter agent saves the Exchange administrator a lot of time by avoiding the need to manually maintain a large [...]
How to configure Exchange Server 2007 Connection Filtering with SpamHaus
December 15, 2008 By 1 Comment
Event ID 454 and 17003 – A corrupt Sender Reputation database causes Exchange Server 2007 Transport service to stop
February 28, 2008 By Leave a Comment
Exchange Server 2007 Edge Transport server and Hub Transport servers with the Exchange Anti-spam features installed may report event ID 454 and 17003 if the Sender Reputation database becomes corrupt. The Sender Reputation feature of Exchange Server 2007 is described here: Sender Reputation is anti-spam functionality that is enabled on computers that have the Microsoft [...]
Exchange Server 2007 SP1 disables Exchange Anti-spam updates
February 6, 2008 By Leave a Comment
Here is the anti-spam configuration on an Exchange Server 2007 RTM server: [PS] C:>Get-AntispamUpdates UpdateMode : Automatic LatestContentFilterVersion : 3.3.4604.600 SpamSignatureUpdatesEnabled : True LatestSpamSignatureVersion : 3.3.4604.600 IPReputationUpdatesEnabled : True LatestIPReputationVersion : 3.3.4604.001 MicrosoftUpdate : NotConfigured And here is the same Exchange Server 2007 server immediately after upgrading to Service Pack 1: [PS] C:>Get-AntispamUpdates UpdateMode : [...]
Checking currency of Exchange Server 2007 Anti-Spam signatures
December 10, 2007 By 1 Comment
Last week I wrote a post on what is missing from Exchange Server 2007 Anti-Spam. A short time afterwards Evan Dodds wrote back to me with an answer to the issue. One could write a simple script to check what updates are available on MU in certain categories, etc. Sample VB script code is available [...]
What is missing from Exchange Server 2007 Anti-Spam
December 4, 2007 By 1 Comment
I’ve been searching all over the Microsoft website for a KB article, Technet article, or any other page that will list the current version of the various Exchange Server 2007 anti-spam signature releases. I realise that in any given day these can update dozens of times, but it is still a bit frustrating not having [...]
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