Required hardware

For best results

Intel Pentium® 4, 1 GHz or higher, or an equivalent processor

Pentium 4, 3+ GHz

Use multiple processes for high traffic processors

512 MB RAM minimum

1+ GB RAM

TCP/IP enabled network interface card (NIC) with a static IP address

Required software

For best results

Where to get it if you don't have it

Microsoft® Windows 2000 Server

Microsoft Windows 2003 Server

Microsoft Windows 2008 Server

Apply latest service packs

Use NTFS file system (NOT FAT)

Do not deploy IMail on a Windows 2000 Domain Controller in an Active Directory environment. .

For service packs: www.windowsupdate.com

Advice on NTFS vs FAT:
http://www.microsoft.com/windowsxp/using/setup/expert/russel_october01.mspx

Microsoft .NET Framework 2.0

via Windows Update

http://www.microsoft.com/downloads/details.aspx?FamilyID=0856eacb-4362-4b0d-8edd-aab15c5e04f5&displaylang=en

Windows Script 5.6 (part of Microsoft Internet Explorer 6)

http://www.microsoft.com/downloads/details.aspx?familyid=C717D943-7E4B-4622-86EB-95A22B832CAA&displaylang=en

Microsoft Internet Information Services (IIS)

Version 5.0 or higher

http://www.microsoft.com/WindowsServer2003/iis/default.mspx

Microsoft Data Access Component (MDAC) 2.6 or later

http://msdn2.microsoft.com/en-us/data/aa937730.aspx