Note: If you are installing on AIX, read System requirements for Symantec Mail Security 8.0 for Domino Multi-Platform Edition.

System requirements for Symantec Mail Security 8.0 for Domino
You must have administrator-level privileges to Windows and the Lotus Domino server to install Mail Security. Your Domino server must be properly sized according to IBM/Lotus specified guidelines.

To install Mail Security, your environment must also meet the following minimum installation requirements:

Operating system

• Windows Server 2003/Windows Advanced Server 2003
• Windows Server 2008

Lotus Domino

• Domino 8.5.1 (64-bit) with Symantec Mail Security 8.0.5 for Domino or later
• Domino 8.5.1 (32-bit) with Symantec Mail Security 8.0.5 for Domino or later
• Domino 7.x and 8.x (32-bit)

Lotus Notes

• Lotus Notes Client 6.0.x, 6.5.x, 7.0.x, and 8.x

Processor

• 1 GHz Pentium or higher

Memory

• 512 MB
  Performance depends on server load.

Disk space to install

• 250 MB

Available disk space for processing

• 300 MB minimum
  
  You can change the location for temporary files after installation.
  
  For information on specifying the directory for processing files during scans, refer to Symantec Mail Security 8.0 for Domino Implementation Guide.

Hardware

• CD-ROM drive

Internet browser (for use as a Web access client)

• Microsoft Internet Explorer 6.0 with the most current service pack.

JRE

• 1.5x

In addition to system requirements, you must enable Java Runtime Environment with JCE Unlimited Strength Jurisdiction Policy files. These policy files are different for different versions of JRE and can be downloaded from the Web site of Oracle. You must also have an additional hard disk space of approximately 2 GB for LiveUpdate to support caching of files on downloads.



References
Symantec Mail Security 8.0 for Domino Installation Guide

Symantec Mail Security 8.0 for Domino Implementation Guide

Both guides are available on the Symantec FTP site.

The latest version of Java and Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction can be downloaded from:
http://www.oracle.com/technetwork/java/javase/downloads/index.html