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Don’t declare your primary mail server (MTA) as a secondary MX When deploying an Email anti-spam or anti-virus solution, administrators commonly make the mistake of placing the gateway as the primary MX for their domain(s), and the backend mail server (protected by this gateway) as the secondary MX, in case the gateway fails. At faceRead more

By: Yves Lacombe   Many people use SPF (Sender Policy Framework) as an anti-spoofing measure. They create an SPF record in their DNS zone for their domain. From time to time, some customers will do business or use third party services that will send out Email on behalf of their domains and unfortunately, this willRead more

At work I’m known as the guy who wears many hats. I do a lot of different jobs: installations, training, support, pre-sales consulting, some programming … you name it, I’ve done it. However what really interests me the most is Internet Security. With that in mind, one thing that comes up on a monthly basisRead more