MDaemon Messaging Server System Requirements

These are the minimum recommended system requirements for MDaemon email server for Windows to run. This does not take into account running multiple programs simultaneously. To run several programs on the computer at the same time, that computer should exceed these recommendations.

with BlackBerry Enterprise Server features installed and enabled

Microsoft Windows XP/2003/Vista/2008/7 operating systems including 64-bit versions (Windows server operating system recommended)
Pentium 4 2.4 GHz processor or higher (dual core processor recommended)
1 GB of memory (2 GB recommended)
Typical Hard disk space required: 1 GB, additional space for any mail to be stored
Network Interface Card (NIC) TCP/IP network protocol installed
Internet or Intranet communication capabilities

WITHOUT the BlackBerry Enterprise Server features installed or enabled

Microsoft Windows XP/2003/Vista/2008/7 operating systems including 64-bit versions (Windows server operating system recommended)
Pentium 3 800 MHz processor or higher (Dual Core Pentium 4 2.4 GHz or higher recommended)
512 MB of memory (1 GB recommended)
Typical Hard disk space required: 200MB, additional space for any mail to be stored
Network Interface Card (NIC) TCP/IP network protocol installed
Internet or Intranet communication capabilities

Note: Like all mail servers MDaemon is heavily I/O bound - performance can be dramatically improved with faster hard drives.