Greetings,
In this day of January 2000, I had the rather unpleasant surprise to see that my mail server had been added to a list of known open relay that have been used for sending SPAM. While I am NOT responsible for this mail machine, I complained to my ISP and, apparently, he corrected the problem quite fast. However, I do also happens to configure a couple of other mails server, including a Microsoft Exchange server. I took this opportunity to check my settings and, as usual with exchange, I had to add a number of registry keys, read some documentation on the web and install service packs until I was pretty satisfied with the result. Since I am a programmer as well as network admin (more programmer than admin, in fact), and since I felt I must make up for the fact that I was having an open mail relay (I did), I decided to write a program to help YOU do the same with your exchange server...
So, here is the beast, released as freeware (with limited distribution rights, however, see help file).
For more information about how to configure MS Exchange to reject mail relay, see:
Q193922 - XFOR Preventing the Internet Mail Service From Relaying Unsolicited Commercial E-Mail Messages From the MS knowledge base.
BR,
Stephane Grobéty....