The following topics outline the steps to upgrade from Messaging Server 5.2 to the current version of Messaging Server.
Creating Upgrade Files to Update your Configuration (UpgradeMsg5toMsg6.pl)
Running the Upgrade Utility (do_the_upgrade.sh)
MTA Configuration (make_mta_config_changes.sh)
configutil Parameters (make_configutil_changes.sh)
Backup Configuration (make_backup_config_changes.sh)
mboxlist Database (make_mboxlistdb_changes.sh)
Migrating User Mailboxes (optional)