Please revisit this page weekly to make sure you have the latest software versions!
Review the product release notes (where applicable) pertaining to installation PRIOR to downloading and running any updates. 

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NOTE:  Starting with version 5.08.35.02 DAT-MAIL™ now requires .NET Framework 3.5 and Post Master requires at least Microsoft .NET Framework 2.0 to be installed.  Click here to download and install the program:   Download .NET 2.0 SP1

All products work with the .NET Framework 3.5 installed.  In the future all products will require .NET 3.5 or above to work. It is now available:  Download .NET 3.5 SP1

   DAT-MAIL™ Vista User Alert!