diff --git a/TODO.md b/TODO.md
index 12195713..6e75682b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -340,7 +340,7 @@ TODO mount the filesystem with "nosuid" option
 # smtplib.SMTPConnectError: (421, b'4.7.0 mail.pangea.org Error: too many connections from 77.246.181.209')
 
 # rename virtual_maps to virtual_alias_maps and remove virtual_alias_domains ?
-# virtdomains file is not ideal, prevent fake/error on domains there! and make sure this file is required!
+# virtdomains file is not ideal, prevent fake/error on domains there! and make sure to chekc if this file is required!
 
 # Deprecate restart/start/stop services (do touch wsgi.py and fuck celery)
 orchestra-beat support for uwsgi cron
@@ -353,11 +353,10 @@ make django admin taskstate uncollapse fucking traceback, ( if exists ?)
 
 resorce monitoring more efficient, less mem an better queries for calc current data
 
-# best_price rating method
+# test best_price rating method
 
 # bill this https://orchestra.pangea.org/admin/orders/order/8236/ should be already billed, <= vs <
 # Convert rating method from function to PluginClass
 # Tests can not run because django.db.utils.ProgrammingError: relation "accounts_account" does not exist
 
-
-
+# autoresponses on mailboxes, not addresses or remove them
diff --git a/orchestra/contrib/orchestration/admin.py b/orchestra/contrib/orchestration/admin.py
index 456a2e9d..dc655d8b 100644
--- a/orchestra/contrib/orchestration/admin.py
+++ b/orchestra/contrib/orchestration/admin.py
@@ -92,12 +92,11 @@ class BackendOperationInline(admin.TabularInline):
         }
     
     def instance_link(self, operation):
-        try:
-            return admin_link('instance')(self, operation)
-        except:
-            return _("deleted {0} {1}").format(
-                escape(operation.content_type), escape(operation.object_id)
-            )
+        link = admin_link('instance')(self, operation)
+        if not link.startswith('<a'):
+            return _("Deleted {0}").format(operation.instance_repr or '-'.join(
+                (escape(operation.content_type), escape(operation.object_id))))
+        return link
     instance_link.allow_tags = True
     instance_link.short_description = _("Instance")
     
diff --git a/orchestra/contrib/orchestration/manager.py b/orchestra/contrib/orchestration/manager.py
index b2506b5b..1824c15c 100644
--- a/orchestra/contrib/orchestration/manager.py
+++ b/orchestra/contrib/orchestration/manager.py
@@ -44,9 +44,7 @@ def keep_log(execute, log, operations):
             # Store and log the operation
             for operation in operations:
                 logger.info("Executed %s" % str(operation))
-                if operation.instance.pk:
-                    # Not all backends are called with objects saved on the database
-                    operation.store(log)
+                operation.store(log)
             stdout = log.stdout.strip()
             stdout and logger.debug('STDOUT %s', stdout)
             stderr = log.stderr.strip()
@@ -146,8 +144,8 @@ def execute(scripts, serialize=False, async=None):
 
 def collect(instance, action, **kwargs):
     """ collect operations """
-    operations = kwargs.get('operations') or OrderedSet()
-    route_cache = kwargs.get('route_cache') or {}
+    operations = kwargs.get('operations', OrderedSet())
+    route_cache = kwargs.get('route_cache', {})
     for backend_cls in ServiceBackend.get_backends():
         # Check if there exists a related instance to be executed for this backend and action
         instances = []
diff --git a/orchestra/contrib/orchestration/migrations/0003_auto_20150512_1512.py b/orchestra/contrib/orchestration/migrations/0003_auto_20150512_1512.py
new file mode 100644
index 00000000..1db9913d
--- /dev/null
+++ b/orchestra/contrib/orchestration/migrations/0003_auto_20150512_1512.py
@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('orchestration', '0002_auto_20150506_1420'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='backendoperation',
+            name='instance_repr',
+            field=models.CharField(default='', max_length=256, verbose_name='instance representation'),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name='backendoperation',
+            name='object_id',
+            field=models.PositiveIntegerField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='route',
+            name='async',
+            field=models.BooleanField(default=False, help_text='Whether or not block the request/response cycle waitting this backend to finish its execution. Usually you want slave servers to run asynchronously.'),
+        ),
+    ]
diff --git a/orchestra/contrib/orchestration/models.py b/orchestra/contrib/orchestration/models.py
index 328176a9..9a9482fa 100644
--- a/orchestra/contrib/orchestration/models.py
+++ b/orchestra/contrib/orchestration/models.py
@@ -104,6 +104,17 @@ class BackendLog(models.Model):
         return ServiceBackend.get_backend(self.backend)
 
 
+class BackendOperationQuerySet(models.QuerySet):
+    def create(self, **kwargs):
+        instance = kwargs.get('instance')
+        if instance and not instance.pk and 'instance_repr' not in kwargs:
+            try:
+                kwargs['instance_repr'] = str(instance)[:256]
+            except:
+                pass
+        return super(BackendOperationQuerySet, self).create(**kwargs)
+
+
 class BackendOperation(models.Model):
     """
     Encapsulates an operation, storing its related object, the action and the backend.
@@ -112,9 +123,11 @@ class BackendOperation(models.Model):
     backend = models.CharField(_("backend"), max_length=256)
     action = models.CharField(_("action"), max_length=64)
     content_type = models.ForeignKey(ContentType)
-    object_id = models.PositiveIntegerField()
+    object_id = models.PositiveIntegerField(null=True)
+    instance_repr = models.CharField(_("instance representation"), max_length=256)
     
     instance = GenericForeignKey('content_type', 'object_id')
+    objects = BackendOperationQuerySet.as_manager()
     
     class Meta:
         verbose_name = _("Operation")
diff --git a/orchestra/contrib/services/handlers.py b/orchestra/contrib/services/handlers.py
index 902305fc..b2ce7d4c 100644
--- a/orchestra/contrib/services/handlers.py
+++ b/orchestra/contrib/services/handlers.py
@@ -431,6 +431,8 @@ class ServiceHandler(plugins.Plugin, metaclass=plugins.PluginMount):
                         continue
                 cini = order.billed_until
             bp = self.get_billing_point(order, bp=bp, **options)
+            if order.billed_until and order.billed_until >= bp:
+                continue
             order.new_billed_until = bp
             ini = min(ini, cini)
             end = max(end, bp)
diff --git a/orchestra/contrib/systemusers/actions.py b/orchestra/contrib/systemusers/actions.py
index 29190a71..f2ae474c 100644
--- a/orchestra/contrib/systemusers/actions.py
+++ b/orchestra/contrib/systemusers/actions.py
@@ -33,10 +33,11 @@ def set_permission(modeladmin, request, queryset):
             cleaned_data = form.cleaned_data
             operations = []
             for user in queryset:
-                user.set_perm_action = cleaned_data['set_action']
-                user.set_perm_base_home = cleaned_data['base_home']
-                user.set_perm_home_extension = cleaned_data['home_extension']
-                user.set_perm_perms = cleaned_data['permissions']
+                base_home = cleaned_data['base_home']
+                extension = cleaned_data['home_extension']
+                action = cleaned_data['set_action']
+                perms = cleaned_data['permissions']
+                user.set_permission(base_home, extension, action=action, perms=perms)
                 operations.extend(Operation.create_for_action(user, 'set_permission'))
                 verbose_action = get_verbose_choice(form.fields['set_action'].choices,
                     user.set_perm_action)
diff --git a/orchestra/contrib/systemusers/backends.py b/orchestra/contrib/systemusers/backends.py
index 13179a0a..4cca82f2 100644
--- a/orchestra/contrib/systemusers/backends.py
+++ b/orchestra/contrib/systemusers/backends.py
@@ -86,14 +86,14 @@ class UNIXUserBackend(ServiceController):
         })
         exclude_acl = []
         for exclude in settings.SYSTEMUSERS_FORBIDDEN_PATHS:
-            context['exclude_acl'] = exclude
-            exclude_acl.append('-not -path "%(perm_to)s/%(exclude_acl)s"' % context)
+            context['exclude_acl'] = os.path.join(context['perm_home'], exclude)
+            exclude_acl.append('-not -path "%(exclude_acl)s"' % context)
         context['exclude_acl'] = ' \\\n    -a '.join(exclude_acl) if exclude_acl else ''
-        if user.set_perm_perms == 'read-write':
+        if user.set_perm_perms == 'rw':
             context['perm_perms'] = 'rwx' if user.set_perm_action == 'grant' else '---'
-        elif user.set_perm_perms == 'read-only':
+        elif user.set_perm_perms == 'r':
             context['perm_perms'] = 'r-x' if user.set_perm_action == 'grant' else '-wx'
-        elif user.set_perm_perms == 'write-only':
+        elif user.set_perm_perms == 'w':
             context['perm_perms'] = '-wx' if user.set_perm_action == 'grant' else 'r-x'
         if user.set_perm_action == 'grant':
             self.append(textwrap.dedent("""\
@@ -105,8 +105,7 @@ class UNIXUserBackend(ServiceController):
                 find '%(perm_to)s' -type d %(exclude_acl)s \\
                     -exec setfacl -m d:u:%(user)s:%(perm_perms)s {} \\;
                 # Account group as the owner of new files
-                chmod g+s '%(perm_to)s'
-                """) % context
+                chmod g+s '%(perm_to)s'""") % context
             )
             if not user.is_main:
                 self.append(textwrap.dedent("""\
diff --git a/orchestra/contrib/systemusers/filters.py b/orchestra/contrib/systemusers/filters.py
index 1e78a1d9..8e619a49 100644
--- a/orchestra/contrib/systemusers/filters.py
+++ b/orchestra/contrib/systemusers/filters.py
@@ -1,5 +1,4 @@
 from django.contrib.admin import SimpleListFilter
-from django.db.models import F
 from django.utils.translation import ugettext_lazy as _
 
 
@@ -16,7 +15,6 @@ class IsMainListFilter(SimpleListFilter):
     
     def queryset(self, request, queryset):
         if self.value() == 'True':
-            return queryset.filter(account__main_systemuser_id=F('id'))
+            return queryset.by_is_main()
         if self.value() == 'False':
-            return queryset.exclude(account__main_systemuser_id=F('id'))
-
+            return queryset.by_is_main(is_main=False)
diff --git a/orchestra/contrib/systemusers/forms.py b/orchestra/contrib/systemusers/forms.py
index 6340444e..cfca1b57 100644
--- a/orchestra/contrib/systemusers/forms.py
+++ b/orchestra/contrib/systemusers/forms.py
@@ -1,3 +1,4 @@
+import os
 import textwrap
 
 from django import forms
@@ -94,9 +95,9 @@ class PermissionForm(forms.Form):
         widget=forms.TextInput(attrs={'size':'70'}), help_text=_("Relative to chosen home."))
     permissions = forms.ChoiceField(label=_("Permissions"), initial='read-write',
         choices=(
-            ('read-write', _("Read and write")),
-            ('read-only', _("Read only")),
-            ('write-only', _("Write only"))
+            ('rw', _("Read and write")),
+            ('r', _("Read only")),
+            ('w', _("Write only"))
         ))
     
     def __init__(self, *args, **kwargs):
diff --git a/orchestra/contrib/systemusers/models.py b/orchestra/contrib/systemusers/models.py
index ca3f2df1..29419b83 100644
--- a/orchestra/contrib/systemusers/models.py
+++ b/orchestra/contrib/systemusers/models.py
@@ -4,6 +4,7 @@ import os
 from django.contrib.auth.hashers import make_password
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.db.models import F
 from django.utils.functional import cached_property
 from django.utils.translation import ugettext_lazy as _
 
@@ -18,6 +19,12 @@ class SystemUserQuerySet(models.QuerySet):
         user.set_password(password)
         user.save(update_fields=['password'])
         return user
+    
+    def by_is_main(self, is_main=True, **kwargs):
+        if is_main:
+            return self.filter(account__main_systemuser_id=F('id'))
+        else:
+            return self.exclude(account__main_systemuser_id=F('id'))
 
 
 class SystemUser(models.Model):
@@ -112,6 +119,12 @@ class SystemUser(models.Model):
     def set_password(self, raw_password):
         self.password = make_password(raw_password)
     
+    def set_permission(self, base_home, extension, perms='rw', action='grant'):
+        self.set_perm_action = action
+        self.set_perm_base_home = base_home
+        self.set_perm_home_extension = extension
+        self.set_perm_perms = perms
+    
     def get_base_home(self):
         context = {
             'user': self.username,
diff --git a/orchestra/contrib/webapps/types/php.py b/orchestra/contrib/webapps/types/php.py
index 44f41f61..a79a7e18 100644
--- a/orchestra/contrib/webapps/types/php.py
+++ b/orchestra/contrib/webapps/types/php.py
@@ -82,8 +82,10 @@ class PHPApp(AppType):
                     options += list(webapp.options.all())
         init_vars = OrderedDict((opt.name, opt.value) for opt in options)
         # Enable functions
-        enable_functions = init_vars.pop('enable_functions', None)
-        if enable_functions:
+        enable_functions = init_vars.pop('enable_functions', '')
+        if enable_functions or self.is_fpm:
+            # FPM: Defining 'disable_functions' or 'disable_classes' will not overwrite previously
+            #      defined php.ini values, but will append the new value
             enable_functions = set(enable_functions.split(','))
             disable_functions = []
             for function in self.PHP_DISABLED_FUNCTIONS:
diff --git a/orchestra/core/caches.py b/orchestra/core/caches.py
index 15e8d826..4550d827 100644
--- a/orchestra/core/caches.py
+++ b/orchestra/core/caches.py
@@ -27,7 +27,7 @@ def get_request_cache():
 
 class RequestCacheMiddleware(object):
     def process_request(self, request):
-        cache = _request_cache.get(currentThread()) or RequestCache()
+        cache = _request_cache.get(currentThread(), RequestCache())
         _request_cache[currentThread()] = cache
         cache.clear()