-diff -Nur postfix-1.1.2.orig/conf/main.cf postfix-1.1.2/conf/main.cf
---- postfix-1.1.2.orig/conf/main.cf Tue Jan 15 15:27:55 2002
-+++ postfix-1.1.2/conf/main.cf Wed Jan 30 13:09:30 2002
-@@ -38,7 +38,7 @@
- # default value is $program_directory. This directory must be owned
- # by root.
+diff -dur postfix-2.1.3.orig/src/global/mail_params.h postfix-2.1.3/src/global/mail_params.h
+--- postfix-2.1.3.orig/src/global/mail_params.h 2004-06-22 14:20:57.890585644 +0200
++++ postfix-2.1.3/src/global/mail_params.h 2004-06-22 14:21:17.963422126 +0200
+@@ -64,7 +64,7 @@
+ extern gid_t var_owner_gid;
+
+ #define VAR_SGID_GROUP "setgid_group"
+-#define DEF_SGID_GROUP "postdrop"
++#define DEF_SGID_GROUP "maildrop"
+ extern char *var_sgid_group;
+ extern gid_t var_sgid_gid;
+
+#@@ -231,7 +231,7 @@
+# */
+# #define VAR_CONFIG_DIR "config_directory"
+# #ifndef DEF_CONFIG_DIR
+#-#define DEF_CONFIG_DIR "/etc/postfix"
+#+#define DEF_CONFIG_DIR "/etc/mail"
+# #endif
+# extern char *var_config_dir;
+#
+--- postfix-2.9.0/conf/main.cf.orig 2012-02-04 19:05:20.960656539 +0100
++++ postfix-2.9.0/conf/main.cf 2012-02-04 19:12:31.810624906 +0100
+@@ -39,7 +39,7 @@
+ # daemon programs (i.e. programs listed in the master.cf file). This
+ # directory must be owned by root.