This article will show you how to dramatically improve the effectiveness of the anti-spam system that is built into Mac OSX Server 10.5. After the upgrade, at least 99.9% of spam should be prevented from reaching your user’s e-mail Inboxes.

This process requires that the Developer Tools are installed on the system. As always, backup your server before making any changes.

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I ran into several difficulties setting up Podcast Producer in Leopard server. I followed the setup instructions in the manual, but when it came to getting Xgrid up and running, I hit a wall.

Here are the problems that I encountered:

“agent could not determine the expected controller service principal”

The Podcast Producer manual says that Kerberos authentication in Xgrid is necessary (page 26)…
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Kerberos and Single Sign-on in Leopard Server

It has been awhile since my last post of this series — sorry to keep you waiting. Kerberos on Mac OS X Server is a finicky thing, and it took me this long to get it working! Well, I did take a 3 week vacation, and was busy with other projects for at least 2 weeks … but it was a major pain in the ass to set up, and I’m not yet entirely satisfied.

To get straight to the point, the following procedure got kerberos with single sign-on up and running for me. Hopefully it will work for you too.

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The documentation for setting up sieve on Mac OS X server is sparse, at best:

To enable Sieve support:
1. Add the following entry in /etc/services/:
sieve 2000/tcp #Sieve mail filtering
2. Reload the mail service.

Right. This will enable the service, but it doesn’t configure it. This short article describes how to do both.

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