Category Archives: Servers

Quick Fix for SpamHaus Not Blocking Spam

We had an issue where a server would not be rejecting mail from IP’s listed at, and found this pretty interesting: Check what DNS resolvers you are using: If you are using a free “open DNS resolver” service such … Continue reading

The Importance of RAID

Redundant Array of Independent Disks (RAID) is a key technology to mission critical / business servers which aim for the highest possible uptime on their servers. While S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology) hard disk technology can warn of an … Continue reading