session's data with his own PHP script. Caution should be used when
setting up permissions and locations of php.ini and the session data.
+ FILE UPLOADS - Note that sending messages will not work if your
+ "file_uploads" setting is "Off". Squirrelmail requires that setting
+ enabled in order to work.
+
c. Setting up .php files to use PHP4
You need to create a .htaccess file in you SquirrelMail directory