Rackspace to Offer Hosted Email Archiving Service Powered by Sonian -

Mailtrust Division Offers Customers Advanced Cloud Based Archiving Service

DEDHAM, MA--(MARKET WIRE)--Oct 23, 2008 -- Sonian, Inc. announced today that Mailtrust(TM), a leading business-class email specialist and a division of Rackspace® Hosting (RAX - News), has selected Sonian to provide an email archiving service to its customers. Sonian, an archiving technology pioneer, provides an affordable, scalable and secure hosted email archiving solution for organizations of all sizes.

With organizations in both the private and public sectors depending heavily upon email communication, email archiving has become a requirement for many businesses across the board. Archiving helps satisfy regulatory requirements in industries like finance, healthcare, government and many others that require the secure capture, long term storage and rapid electronic discovery of email data. Email archiving is also extremely beneficial in helping organizations address a number of operational concerns such as escalating capacity on email servers, backup and business continuity.

"The Sonian Email Archiving service is a great compliment to our business-class email hosting service," said Pat Matthews, president of Mailtrust. "Today Mailtrust supports clients around the globe, which face the same regulatory and electronic discovery requirements that larger organizations face. All of these organizations need an affordable, scalable and compliant email archiving service to meet those needs. Sonian uses a cloud based computing and storage infrastructure to provide an extreme level of scalability. They are able to take advantage of economies of scale to help enable them to maintain an affordable pricing structure. By leveraging Sonian's advantages, we are able to offer a robust and affordable service while not losing sight of our core service: email hosting with expert support. We are excited to introduce this archiving service to our customers."

Sonian is excited about welcoming Mailtrust to their partner program as well. "Mailtrust represents an ideal partner for Sonian," said George Nichols, President and CEO at Sonian. "With their years of experience delivering hosted messaging services to thousands of customers, Mailtrust truly understands their customers' unique requirements for implementing an email archiving service and will be able to satisfy these requirements with the Sonian Service."

About Sonian, Inc.

Sonian Archive is the first hosted archive solution created with cloud computing infrastructure technologies. Cloud design means very high reliability with no single point of failure. Cloud computing also means efficient use of computer hardware so that we can process more data with less hardware resources, allowing Sonian to pass the costs savings to our customers. Sonian's affordable, reliable and compliant email archiving service supports all mail platforms and all customer types. To learn more visit: www.sonian.net

About Mailtrust

Mailtrust(TM), a division of Rackspace® Hosting, provides small, medium, and geographically dispersed companies with business-class email hosting. The company manages and maintains the email service and hosting infrastructure, freeing up IT resources and eliminating the need for customers to purchase email-related hardware, software, and security services. The company's mission critical email systems are housed in Rackspace's carrier-grade data centers to help ensure uptime. Founded in 1999, and acquired by Rackspace in 2007, Mailtrust is headquartered in Blacksburg. To learn more, please visit www.mailtrust.com.