about Concentric
Concentric® provides businesses with scalable and affordable messaging, collaboration, and web hosting services uniquely delivered in a single account. With this approach, you can manage any combination of webmail, domain-based email, GroupWare, calendaring and collaboration features easily with one user name and login from one control panel. And you have the flexibility to add applications and resources as your business grows.
For businesses with on-premise email servers that want enterprise-class spam and virus filtering, Concentric offers Perimeter Email Protection (PEP), a complete email protection service. It includes tools to filter and authenticate incoming email before it reaches your email infrastructure. By stopping spam and email based attacks at the perimeter, PEP can reduce email load by 90%.
Concentric hosts domains for companies of all sizes ranging from one employee to organizations with high-traffic, large-bandwidth needs and is the only service to hold a patent for Clustered Hosting architecture. Leveraging this unique technology configuration, Concentric offers a virtually inexhaustible server resource with built-in redundancy, and delivers superior performance and reliability on demand.
Concentric was founded in 1997. Acquired by Nextlink on Jan. 10, 2000, the two companies merged to become XO™ Communications. In 2004, Concentric returned to the market as an XO Communications service continuing its award-winning culture of innovation. Concentric is based in San Jose, California.