Stop and disable SpamAssassin if it's running.Back up your settings if you already have it running.Download the SpamAssassin zip file from.

When you build SpamAssassin use a command prompt in which the VC++ environment variables are set. For instructions on getting a no-cost version see BuildSpamcOnWindowsForFree. If you want to build spamc, install Microsoft Visual C++ 6.0 or later.Use PPM to install the required perl modules: Extract the nmake.exe and nmake.err files into your /perl/bin folder.Download ActivePerl version 5.8.9.827 from.If upgrading, make note of any modules you need to reinstall, uninstall ActivePerl and delete the /perl folder tree.This HISTORICAL installation procedure is for installing SpamAssassin in native Windows (not Cygwin) using ActivePerl (Tested on ActivePerl 5.8.9.827). If you can help, please send a note to the dev list to get access to edit the Wiki. We are seeking a working procedure for installation on modern versions of Windows.

ActivePerl now seems to force the use of dmake for Windows and some work will likely need to be done to make SpamAssassin compatible. They reportedly do not work for SpamAssassin 3.4.1 using ActivePerl 5.20.2. Note: The instructions below describe an obsolete procedure using tools which may no longer be available. You'll also find a pre compiled version of SpamAssassin for Windows that can simply be extracted and run here. Information on running SpamD on Windows: SpamdOnWindows You may wish to upgrade perl in conjunction with this since to do either requires disabling the processing of incoming e-mail to the e-mail server. Note that the configuration is slightly different in each version. These instructions may change slightly with each version, so it is wise to read up on what's required each time before proceeding.

Download Sandboxie version 5.20