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New Rockliffe MailSite NS Offers Lowest Total Cost of Ownership of Any Other Messaging System including Microsoft Exchange

London, UK, 26th June 2003 - Technology benchmarking specialist, Osterman Research has completed a detailed analysis of the total cost of ownership (TCO) for the five messaging systems utilised by Internet service providers to provide email and related services including anti-spam. In comparisons against Microsoft Exchange among other products, Osterman found that Rockliffe’s MailSite NS (Non-Stop) had the lowest per year and three-year TCO.

Developed by Rockliffe and HP to run on HP NonStop servers, MailSite NS offers a true 24 x 7 continuous availability, super-scalable messaging solution with built-in spam filtering and virus scanning software. MailSite NS offers customisation via a wide-range of APIs, plug-ins and agents. By using MailSite Express, the full-featured, multi-language, webmail client and MailSite Pocket, the wireless email client, a low-cost email solution becomes accessible anytime, anywhere.

Osterman analysed MailSite NS alongside four other messaging systems including Critical Path Messaging Server, Sun ONE Messaging Server, Microsoft Exchange and Openwave Email Mx. For the purposes of the analysis each messaging system was designed to support a mailbox quota of 10Mb per user and to provide email services to one million subscribers.

The analysis pinpointed how operating costs for most messaging systems escalate over time and how great a proportion - over 44% in some cases - of the TCO is represented by administrative and maintenance labour costs. For an email service based on Microsoft Exchange these recurring and other costs mean that the three-year TCO can be around $20.5 million. This compares to a similarly configured system based on Rockliffe MailSite NS with a three year TCO of $7.4 million.

In its benchmarking of systems Osterman identified the following advantages of MailSite NS:

· A very low, non-recurring per mailbox licence fee of only $1.00.
· Lower administrative and management maintenance requirements, which can be nearly 5 times less than Microsoft Exchange, for example.
· Fewer points of hardware failure, so less maintenance expenditure and increased service reliability.

Michael Osterman, Osterman Research said: "In choosing their email infrastructure, ISPs and enterprises need to be much more aware of the real long term costs of providing email facilities to customers and staff. Our analysis reveals that many organizations simply don't know how much it costs them to run their email system and often seriously underestimate
major cost components, such as ongoing administration and

Alun Davies, vice president operations EMEA, Rockliffe said: “This is one of the first major comparisons of the real costs of email messaging systems. ISPs and enterprises with large email user bases can make savings of over 60% when they choose a scalable and resilient Rockliffe email infrastructure that provides impressive cost benefits over the long term”

About Osterman
Osterman Research, Inc. provides market research, cost modeling, benchmarking and related services to vendors of technology-based products and services.
We help vendors and other organizations make better decisions by providing them with relevant, accurate and timely information on markets and market trends. We also help vendors of technology oriented products and services to understand the needs of their current and prospective customers.
One of our key strengths is our survey panel, a large and growing group of IT professionals and end-users around the world with whom we conduct our research surveys. This allows us to conduct surveys quickly and accurately.
Although we are located near Seattle, we serve a diverse and growing base of clients in North America, Europe, Asia and Australia. For more information visit
About Rockliffe
Rockliffe is a leading developer of scalable email infrastructure software for enterprises and service providers. Established in 1995 and based in California’s Silicon Valley with European headquarters in Leeds, UK, Rockliffe has three thousand customers with more than 15 million mailboxes licensed. Customers include leading ASPs such as Digex and Savvis, unified messaging providers such as Call Sciences, and large enterprises including AT&T and UK government departments. Rockliffe has a strategic partnership with Hewlett Packard that will deliver Rockliffe MailSite NS for the HP NonStop platform in 2003.
For further information visit <>
Contact: Daniel Couzens, GBC 0208 322 1922
Rockliffe, MailSite, and Rock-Solid Software are registered trademarks of Rockliffe Inc. All other registered names and trademarks are the property of their respective owners.

Daniel Couzens
Grant Butler Coomber
Winner of two IPR Cream Awards in 2003 !
0208 322 1922
07971 593 907

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