Email Fundamentals: What is an MX Record?

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In this article I explain just what an MX record is and how they play a role in a working email system.

MS08-037 causes port conflicts with DNS and IAS services

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You may encounter an issue with servers running both the DNS and IAS services that have installed update MS08-037 (Vulnerabilities in DNS could allow spoofing – 953230).  The IAS services will fail to start and any authentication that relies on IAS (such as VPNs) will fail. When connecting to the IAS server with the IAS [...]