Absolutely nothing to minimal.

deepOfix Mail Server is free to download, use, customise and modify. Moreover, it is built to fully exploit the features of the hardware components available. Hence, a minimum hardware configuration of ___ is enough to get your server up and running in no time. Finally, without complicated licenses, per user charges and hidden costs, deepOfix practically enables you to convert a considerable chunk of your Capital Expenditure to Operational Expenditure.