Microsoft Exchange and Blackberry Server Specialists

SEMblog

Microsoft Exchange Server and
Blackberry Enterprise Server news, views and fixes.

Detecting Vista in Login Scripts #2

Last year I wrote about how I was caught out with detecting Vista in login scripts (http://blog.sembee.co.uk/archive/2007/01/06/31.aspx). Following the release of Service Pack 1 for Windows Vista, I was caught out again as the version number has changed. In my login scripts I use the output of the command "ver" to detect the operating system. With Windows Vista RTM it was 6.0.6000. With Window... [More]

One morning you find that there is spam in the queues, your server has been blacklisted etc...

One of the worst experiences for an Exchange administrator is to come in one morning and find that either email is being blocked, the queues are long or the users are getting NDRs saying that the server is blacklisted. This seems to result in confusion amongst administrators who then go looking for advice only to get conflicting answers on what the problem might be. I am going to try and clear u... [More]

Detecting Vista in Login Scripts

On my technical site amset.info I have an article on how to detect the operating system in a login script. The method that I use is to dump the results of ver out to a text file, then find the version number in those results. Here is a code snippet based on what is on that page, for detecting Windows XP. (http://www.amset.info/loginscripts/os-id.asp)  ver >"%userprofile%"\ver.txt &... [More]

Experiences with Grey Listing

I have heard from many sources that grey listing can be an effective weapon for fighting spam, yet hadn't had an opportunity to try it out. However one of my clients was being hammered hard with spam, with 700+ messages a day being filtered by Intelligent Message Filter, and lots of messages getting past "I Hate Spam" from Sunbelt Software. Therefore I thought they would be a good site to test th... [More]

Internet Service Separation

One of the tactics I have been using with my clients for many years is something I call internet service separation. This is where I use different providers for different aspects of the internet service that the client needs.  This doesn't go down well with many internet companies (whether this is Internet service providers, web hosts etc). They like to have control over everything, get ... [More]