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Email Hosting Technology
We deliver high availability and fully redundant email hosting through load-balanced server clustering. The idea behind clustering is to minimize points of failure — key components should have a backup in place in the event of a failure. Our system utilizes front-end application server clusters, each equipped with pair of load balancers. Clusters are process specific meaning requests for incoming mail, outgoing mail, client connectivity and webmail are all handled by separate server clusters. By placing unique services on standalone server clusters, we can greatly diminish the risk of an interruption.
Key technology components include:
- Process specific load-balanced server clustering
- Real time data replication between storage servers
- DNS load-balanced clustering
- Built-in failure detection
- OpenBSD Firewall security
- Intrusion Detection Systems (IDS) and packet filtering
- Simple Storage Service (S3) nightly backups
- Data backups in three geographically dispersed data centers
- In-line spare servers
- 100% Cisco powered internally redundant network
- Conditioned power and UPSs with failover UPSs
- Diesel engine backup generators
- Redundant HVAC and dust filtering
- Limited access to equipment and continuous surveillance
- Fire supression
- Certified staff trained in maintaining critical systems
