Blat
From WPKG | Open Source Software Deployment and Distribution
Blat is a public domain command line smtp (email) client for Windows. This is a silent installer and deinstaller for Blat.
<package id="blat" name="blat" revision="1" reboot="false" priority="0"> <check type="file" condition="exists" path="%PROGRAMFILES%\blat\blat.exe" /> <install cmd='cmd /c mkdir "%PROGRAMFILES%\blat"' /> <install cmd='cmd /c copy /y "%SOFTWARE%\blat\full\*.*" "%PROGRAMFILES%\blat"' /> <upgrade cmd='cmd /c copy /y "%SOFTWARE%\blat\full\*.*" "%PROGRAMFILES%\blat"' /> <remove cmd='cmd /c rmdir /s /q "%PROGRAMFILES%\blat"' /> </package>