Over at AllSpammedUp.com I’ve written an article on protecting both yourself and others from backscatter spam. Backscatter spam is also known as NDR spam and is the result of address spoofing combined with spam addressed to invalid recipients. As an Exchange administrator you want to be sure you aren’t contributing to the problem with your own email server. Read the article to find out how to avoid send NDR spam to others.
Articles about Exchange Server and spam prevention
February 18, 2009 By Leave a Comment
I’ve written some more articles recently at AllSpammedUp.com. One of the interesting things about writing these articles is that is has forced me to take a deeper look at Exchange Server 2007 antispam features and consider their effectiveness. My view at the moment is that with the right attention and configuration Exchange Server 2007 can [...]
Spam quarantine features in Exchange Server 2007
December 27, 2008 By Leave a Comment
With the right configuration and ongoing tuning the built in Exchange Server 2007 anti-spam features can be effective in many environments. One thing I’m not a fan of though is the quarantine feature. You can read more about it in my latest post to AllSpammedUp.com here. Link: Managing spam quarantine for Exchange Server 2007
How to configure Exchange Server 2007 Connection Filtering with SpamHaus
December 15, 2008 By 1 Comment
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 [...]
Event ID 454 and 17003 – A corrupt Sender Reputation database causes Exchange Server 2007 Transport service to stop
February 28, 2008 By 1 Comment
Exchange Server 2007 SP1 disables Exchange Anti-spam updates
February 6, 2008 By 1 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 : [...]
