Devin talks about several Exchange certificate-related tidbits.
As promised, Devin explains the three rules you need in ISA Server to properly secure communications between the Exchange 2007 Edge server in the perimeter network and the Hub Transport servers in the internal network.
The release Exchange 2007 docs advocate a curious two-interface configuration for the Edge server. Devin examines this advice and fails to find the sense in it.
Mailing lists are a great resource, even in this Latter-Day Dispensation of Search Engines and Web Forums. While web forums have their place, there's nothing like being able to carry on an extended conversation in the comfort of your own Inbox. I was inspired by a drive-by comment on a recent thread I participated in to take a step back and examine the practice of port-blocking TCP 25, which is the port used by the Simple Mail Transfer Protocol (SMTP).
No, not me. My net.friend Alistair. He read this article and got a touch annoyed about some of the untruths and misconceptions present in the article, so he decided to respond. Read his response -- and mine -- in this article.
I read an interesting article on ZDNet today, a proposal ("Spam: leave it to the sender") by Todd Marshall on just what we need to do to fight spam. As soon as I read it, I knew that it would generate a bit of controversy.
The heart of Todd's proposal is simple: change the core e-mail transport strategy from push to pull.
Click on the title to read the whole post.