Mon 21 Aug 2006
In the last month we have upgraded our SPAM filtering. We have noticed a big decrease in the amount of SPAM getting through. If you use our filtering service you should have noticed this too. This decrease will make everyone happy.
The difference in the new IronPort technology we are using is the introduction of what they call a ‘reputation filter’. All Ironport appliances around the world report back to the IronPort HQ on suspicious traffic. By comparing suspicious traffic reports from different IronPort appliances when a match is made the sender in question is very likely to be a SPAMmer.
Previous technology mainly used content scanning (which IronPort uses as a second level defence) where the content of the e-mail was analysed according to the rules of the AntiSpam vendor. These rules had become much less effective as SPAMmers continued to craft e-mails to get around them.Â
Š
August 30th, 2006 at 4:34 pm
[…] I had a meeting with an old customer today of 16 years and he brought up that we should be telling him more about what we are doing for him. That we should keep him informed about our SPAM service upgrade and the like. I was disappointed that he didn’t know about many of the information services we provide and more disappointed that we had done such a poor job telling people about them. So here’s a list of the feedback to you services you get when you are on a LANcom 770 support plan. […]