10 MB Installation hard drive space, with at least 75 GB of available space for email and collaboration data.
Internet access (fees may apply).
Note: The architecture of Bolster Suite is such that it can handle tens of Terabytes (TB) to hundreds of Terabytes (TB) of email and collaboration data. In such instances, additional system memory is strongly recommended.
Removal of any existing SMTP servers from starting up, before installation.