--- a/INSTALL	Wed Apr 28 05:28:36 2010 +0000
+++ b/INSTALL	Wed Apr 28 05:37:14 2010 +0000
@@ -74,7 +74,6 @@
   cd /srv/mail/
   mkdir 0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v w x y z
   chmod 771 /srv/mail
-  chgrp -R mail /srv/mail
   chmod 751 /srv/mail/*
 
 Configuring Dovecot
@@ -83,7 +82,6 @@
     # all your other settings
     #disable_plaintext_auth = no
     mail_location = maildir:~/Maildir
-    mail_privileged_group = mail
     first_valid_uid = 70000
     first_valid_gid = 70000
     protocol lda {

--- a/UPGRADE	Wed Apr 28 05:28:36 2010 +0000
+++ b/UPGRADE	Wed Apr 28 05:37:14 2010 +0000
@@ -38,7 +38,7 @@
          In prior setups the service dovecot was configured slightly different.
          If you have set the command attribute 'user' to 'nobody:mail', so
          either remove the group mail or replace it with the group nobody
-         or nogroup.
+         or nogroup. (see command output from: id -ng nobody)
 
          e.g.: flags=DRhu user=nobody argv=/usr/local/lib/dovecot/deliver …