It is important to keep your PureMessage installation up to date by performing upgrades whenever new versions become available. Obtaining the latest features and enhancements will ensure that you get the best performance and have the best possible protection against malware.
If you are running PureMessage for UNIX version 5.x, you should perform this upgrade.
What to do
For detailed upgrade information and instructions, refer to Upgrading to PureMessage for UNIX in the "Getting Started Guide" section of the PureMessage documentation.