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13 March 2008 19:45

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...
Posted by Sembee
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28 June 2007 23:55

New Articles on amset.info

I have written a number of new articles for our technical site amset.info and finished off some that have been in preparation for a while. Plus many articles have had minor revisions, links updated etc. Exchange Related Articles SMTP Diagnostics A quick...
Posted by Sembee | 1 comment(s)
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18 September 2006 22:40

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...
Posted by Sembee | 1 comment(s)
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05 March 2006 22:55

Self Generated versus Commercial SSL Certificates

A constant theme on many of the Internet forums is the use of self generated SSL certificates versus purchased SSL certificates, particularly when deploying RPC over HTTPS or Outlook Web Access. Many people will advocate that using a self generated certificate...
Posted by Sembee | 1 comment(s)
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