HP E5300 Messaging System is the industry’s first fully self contained platform built for the next-generation of Microsoft Exchange to deliver enterprise-class messaging to businesses of all sizes. Built as a turnkey solution that can be up and running in a few hours vs. days, the HP E5300 Messaging System gives business users the experience they want most: large mailboxes, centralized archiving of mailboxes files and 24 x 7 access from any device. IT staffs benefit the solutions simplicity to setup, scale and manage and to meet demands affordably. Ideal for multi-site enterprises as well as branch office and remote office environments, each HP Messaging System delivers greater simplicity and accelerates deployment with preconfigured solutions starting at 500 mailboxes up to 3000 mailboxes, while delivering large, 1 to 2.5 GB mailbox sizes. Clients can grow by adding storage capacity or more appliances within the environment up from hundreds to as many as 15,000 mailboxes.