Chapter 1. Introducing the Volution Messaging Server

Table of Contents
1.1. Features
1.2. Architectural Overview
1.3. Licensing

Caldera Volution Messaging Server is a secure, robust, and easy-to-use messaging server delivering superior application compatibility for small-to-medium sized businesses. Based on open standards for mail and directory services, the Messaging Server supports Microsoft® Outlook products, messaging components of Netscape® and Internet Explorer browsers, and other popular mail clients. In addition, it interoperates with popular anti-virus, backup, and fax server software. The Messaging Server is compatible with other Caldera products and solutions; it supports Caldera OpenLinux Server and Open UNIX 8 operating systems, Reliant®HA clustering, and Volution Manager system administration.

This chapter describes the Messaging Server's:

See also the Late News and FAQ documents for up-to-date information on Messaging Server features and compatible third-party solutions:

http://www.caldera.com/support/docs/volution/msg

1.1. Features

Caldera Volution Messaging Server features include:

1.2. Architectural Overview

The Messaging Server is a messaging server product built around directory services and industry-standard open source components. The design goals of the Messaging Server required:

The principle components of the Messaging Server are:

The Messaging Server also provides support for these protocols and standards:

For more information about Messaging Server architecture, see "Chapter 1. About Volution Messaging Server" in the Administrator's Guide.

1.3. Licensing

The Messaging Server provides user (client) licenses for a given number of mailboxes allowed on the system. The basic configuration includes user licenses for 25 mailboxes, sufficient for standard configuration and small-scale mail service. Consult your software vendor to purchase incremental user license bundles ("bump packs") as needed.

When the number of Messaging Server mailboxes exceeds that for which the product has been licensed, the administrator must purchase additional licenses. The system will allow user access even when the user limit has been exceeded.

The Messaging Server can be installed and licensed on both Caldera OpenLinux Server 3.1 and Open UNIX 8 Release 8.0 with Linux Kernel Personality.