Index: postgrey
--- postgrey.orig
+++ postgrey
@@ -24,7 +24,7 @@ use vars qw(@ISA);
 @ISA = qw(Net::Server::Multiplex);
 
 my $VERSION = '1.37';
-my $DEFAULT_DBDIR = '/var/spool/postfix/postgrey';
+my $DEFAULT_DBDIR = '/var/db/postgrey';
 my $CONFIG_DIR = '/etc/postfix';
 
 sub read_clients_whitelists($)
@@ -598,8 +598,8 @@ sub main()
             port             => [ $opt{inet} ? $opt{inet} : $opt{unix}."|unix" ],
             proto            => $opt{inet} ? 'tcp' : 'unix',
             socketmode       => $opt{socketmode} || '0666',
-            user             => $opt{user} || 'postgrey',
-            group            => $opt{group} || 'nogroup',
+            user             => $opt{user} || '_postgrey',
+            group            => $opt{group} || '_postgrey',
             dbdir            => $opt{dbdir} || $DEFAULT_DBDIR,
             setsid           => $opt{daemonize} ? 1 : undef,
             pid_file         => $opt{daemonize} ? $opt{pidfile} : undef,
@@ -810,9 +810,9 @@ B<postgrey> [I<options>...]
  -i, --inet=[HOST:]PORT  listen on PORT, localhost if HOST is not specified
  -d, --daemonize         run in the background
      --pidfile=PATH      put daemon pid into this file
-     --user=USER         run as USER (default: postgrey)
-     --group=GROUP       run as group GROUP (default: nogroup)
-     --dbdir=PATH        put db files in PATH (default: /var/spool/postfix/postgrey)
+     --user=USER         run as USER (default: _postgrey)
+     --group=GROUP       run as group GROUP (default: _postgrey)
+     --dbdir=PATH        put db files in PATH (default: /var/db/postgrey)
      --delay=N           greylist for N seconds (default: 300)
      --max-age=N         delete entries older than N days since the last time
                          that they have been seen (default: 35)