The production database of MailProbe (prodDb.*) which is used in a Java application server environment or with grails prod run-app will be updated without any user interaction. MailProbe checks the differences between a 'master' DB and the current prod-DB and updates the prod-DB if necessary during every start-up .
Due to the fact that the DB-update works automatically it is essential to backup all prodDb.* files before updating MailProbe.
To 'reset' the database (clean, no data entries, default user) delete all prod-Db.* files after stopping MailProbe.