--- INSTALL	2002/11/19 09:06:16	1.1
+++ INSTALL	2002/11/19 10:43:46	1.2
@@ -11,3 +11,6 @@
 
 3. edit mail2sap.xml to modify configuration options as appropriate
 
+4. make mail2sap.pl setgid to some group that has write permission in
+   directory which is defined as <msgdir> and <outdir> in mail2sap.xml
+