diff --git a/orchestra/contrib/accounts/models.py b/orchestra/contrib/accounts/models.py
index 4977427d..a0d264e6 100644
--- a/orchestra/contrib/accounts/models.py
+++ b/orchestra/contrib/accounts/models.py
@@ -80,7 +80,7 @@ class Account(auth.AbstractBaseUser):
     
     def disable(self):
         self.is_active = False
-        self.save(update_fields=['is_active'])
+        self.save(update_fields=('is_active',))
         self.notify_related()
     
     def get_services_to_disable(self):
@@ -93,7 +93,7 @@ class Account(auth.AbstractBaseUser):
     def notify_related(self):
         """ Trigger save() on related objects that depend on this account """
         for obj in self.get_services_to_disable():
-            OperationsMiddleware.collect(Operation.SAVE, instance=obj, update_fields=[])
+            OperationsMiddleware.collect(Operation.SAVE, instance=obj, update_fields=())
     
     def send_email(self, template, context, email_from=None, contacts=[], attachments=[], html=None):
         contacts = self.contacts.filter(email_usages=contacts)
diff --git a/orchestra/contrib/mailboxes/models.py b/orchestra/contrib/mailboxes/models.py
index ac0e2704..4ce7a353 100644
--- a/orchestra/contrib/mailboxes/models.py
+++ b/orchestra/contrib/mailboxes/models.py
@@ -13,9 +13,9 @@ class Mailbox(models.Model):
     CUSTOM = 'CUSTOM'
     
     name = models.CharField(_("name"), max_length=64, unique=True,
-        help_text=_("Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."),
+        help_text=_("Required. 30 characters or fewer. Letters, digits and ./-/_ only."),
         validators=[
-            RegexValidator(r'^[\w.@+-]+$', _("Enter a valid mailbox name.")),
+            RegexValidator(r'^[\w.-]+$', _("Enter a valid mailbox name.")),
         ])
     password = models.CharField(_("password"), max_length=128)
     account = models.ForeignKey('accounts.Account', verbose_name=_("account"),
diff --git a/orchestra/contrib/mailer/admin.py b/orchestra/contrib/mailer/admin.py
index 5ed378da..ca6c948d 100644
--- a/orchestra/contrib/mailer/admin.py
+++ b/orchestra/contrib/mailer/admin.py
@@ -120,7 +120,7 @@ class MessageAdmin(admin.ModelAdmin):
     
     def get_queryset(self, request):
         qs = super(MessageAdmin, self).get_queryset(request)
-        return qs.annotate(Count('logs')).prefetch_related('logs')
+        return qs.annotate(Count('logs')).prefetch_related('logs').defer('content')
     
     def send_pending_view(self, request):
         task(send_pending).apply_async()
diff --git a/orchestra/contrib/orchestration/admin.py b/orchestra/contrib/orchestration/admin.py
index c7242b96..acaef8c2 100644
--- a/orchestra/contrib/orchestration/admin.py
+++ b/orchestra/contrib/orchestration/admin.py
@@ -31,6 +31,7 @@ class RouteAdmin(ExtendedModelAdmin):
     )
     list_editable = ('host', 'match', 'async', 'is_active')
     list_filter = ('host', 'is_active', 'async', 'backend')
+    list_prefetch_related = ('host',)
     ordering = ('backend',)
     add_fields = ('backend', 'host', 'match', 'async', 'is_active')
     change_form = RouteForm
@@ -60,7 +61,16 @@ class RouteAdmin(ExtendedModelAdmin):
         """ Provides dynamic help text on backend form field """
         if db_field.name == 'backend':
             kwargs['widget'] = RouteBackendSelect('this.id', self.BACKEND_HELP_TEXT, self.DEFAULT_MATCH)
-        return super(RouteAdmin, self).formfield_for_dbfield(db_field, **kwargs)
+        field =  super(RouteAdmin, self).formfield_for_dbfield(db_field, **kwargs)
+        if db_field.name == 'host':
+            # Cache host choices
+            request = kwargs['request']
+            choices = getattr(request, '_host_choices_cache', None)
+            if choices is None:
+                request._host_choices_cache = choices = list(field.choices)
+            field.choices = choices
+        return field
+
     
     def get_form(self, request, obj=None, **kwargs):
         """ Include dynamic help text for existing objects """
diff --git a/orchestra/contrib/payments/models.py b/orchestra/contrib/payments/models.py
index 28fa835d..2d4e0409 100644
--- a/orchestra/contrib/payments/models.py
+++ b/orchestra/contrib/payments/models.py
@@ -134,21 +134,21 @@ class Transaction(models.Model):
     def mark_as_processed(self):
         self.check_state(self.WAITTING_PROCESSING)
         self.state = self.WAITTING_EXECUTION
-        self.save(update_fields=['state', 'modified_at'])
+        self.save(update_fields=('state', 'modified_at'))
     
     def mark_as_executed(self):
         self.check_state(self.WAITTING_EXECUTION)
         self.state = self.EXECUTED
-        self.save(update_fields=['state', 'modified_at'])
+        self.save(update_fields=('state', 'modified_at'))
     
     def mark_as_secured(self):
         self.check_state(self.EXECUTED)
         self.state = self.SECURED
-        self.save(update_fields=['state', 'modified_at'])
+        self.save(update_fields=('state', 'modified_at'))
     
     def mark_as_rejected(self):
         self.state = self.REJECTED
-        self.save(update_fields=['state', 'modified_at'])
+        self.save(update_fields=('state', 'modified_at'))
 
 
 class TransactionProcess(models.Model):
@@ -187,18 +187,18 @@ class TransactionProcess(models.Model):
         self.state = self.EXECUTED
         for transaction in self.transactions.all():
             transaction.mark_as_executed()
-        self.save(update_fields=['state'])
+        self.save(update_fields=('state',))
     
     def abort(self):
         self.check_state(self.CREATED, self.EXCECUTED)
         self.state = self.ABORTED
         for transaction in self.transaction.all():
             transaction.mark_as_aborted()
-        self.save(update_fields=['state'])
+        self.save(update_fields=('state',))
     
     def commit(self):
         self.check_state(self.CREATED, self.EXECUTED)
         self.state = self.COMMITED
         for transaction in self.transactions.processing():
             transaction.mark_as_secured()
-        self.save(update_fields=['state'])
+        self.save(update_fields=('state',))
diff --git a/orchestra/contrib/saas/backends/__init__.py b/orchestra/contrib/saas/backends/__init__.py
index 45a66f6c..678c5b9b 100644
--- a/orchestra/contrib/saas/backends/__init__.py
+++ b/orchestra/contrib/saas/backends/__init__.py
@@ -89,7 +89,7 @@ class ApacheTrafficByHost(ServiceMonitor):
                         sys.stderr.write(str(e)+'\\n')
                 for opts in sites.values():
                     ini_date, object_id, size = opts
-                    sys.stdout.write('%s %s\n' % (object_id, size))
+                    sys.stdout.write('%s %s\\n' % (object_id, size))
             """).format(**context)
         )
     
diff --git a/orchestra/contrib/saas/forms.py b/orchestra/contrib/saas/forms.py
index 3d317683..7007ba00 100644
--- a/orchestra/contrib/saas/forms.py
+++ b/orchestra/contrib/saas/forms.py
@@ -70,7 +70,7 @@ class SaaSPasswordForm(SaaSBaseForm):
             return password2
     
     def save(self, commit=True):
-        obj = super(SoftwareServiceForm, self).save(commit=commit)
+        obj = super(SaaSPasswordForm, self).save(commit=commit)
         if not self.is_change:
             obj.set_password(self.cleaned_data["password1"])
         return obj
diff --git a/orchestra/contrib/saas/services/phplist.py b/orchestra/contrib/saas/services/phplist.py
index 555ec816..7d73632e 100644
--- a/orchestra/contrib/saas/services/phplist.py
+++ b/orchestra/contrib/saas/services/phplist.py
@@ -1,10 +1,12 @@
 from django import forms
 from django.core.exceptions import ValidationError
 from django.core.urlresolvers import reverse
+from django.db.models import Q
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext_lazy as _
 
 from orchestra.contrib.databases.models import Database, DatabaseUser
+from orchestra.contrib.mailboxes.models import Mailbox
 from orchestra.forms.widgets import SpanWidget
 
 from .. import settings
@@ -14,7 +16,7 @@ from .options import SoftwareService
 
 class PHPListForm(SaaSPasswordForm):
     admin_username = forms.CharField(label=_("Admin username"), required=False,
-            widget=SpanWidget(display='admin'))
+        widget=SpanWidget(display='admin'))
     
     def __init__(self, *args, **kwargs):
         super(PHPListForm, self).__init__(*args, **kwargs)
@@ -26,7 +28,9 @@ class PHPListForm(SaaSPasswordForm):
 
 class PHPListChangeForm(PHPListForm):
     database = forms.CharField(label=_("Database"), required=False,
-            help_text=_("Database used for this webapp."))
+        help_text=_("Database used for this instance."))
+    mailbox = forms.CharField(label=_("Bounces mailbox"), required=False,
+        help_text=_("Mailbox used for reciving bounces."), widget=SpanWidget(display=''))
     
     def __init__(self, *args, **kwargs):
         super(PHPListChangeForm, self).__init__(*args, **kwargs)
@@ -39,6 +43,18 @@ class PHPListChangeForm(PHPListForm):
         db_url = reverse('admin:databases_database_change', args=(db.pk,))
         db_link = mark_safe('<a href="%s">%s</a>' % (db_url, db.name))
         self.fields['database'].widget = SpanWidget(original=db.name, display=db_link)
+        # Mailbox link
+        mailbox_id = self.instance.data.get('mailbox_id')
+        if mailbox_id:
+            try:
+                mailbox = Mailbox.objects.get(id=mailbox_id)
+            except Mailbox.DoesNotExist:
+                pass
+            else:
+                mailbox_url = reverse('admin:mailboxes_mailbox_change', args=(mailbox.pk,))
+                mailbox_link = mark_safe('<a href="%s">%s</a>' % (mailbox_url, mailbox.name))
+                self.fields['mailbox'].widget = SpanWidget(
+                    original=mailbox.name, display=mailbox_link)
 
 
 class PHPListService(SoftwareService):
@@ -50,6 +66,11 @@ class PHPListService(SoftwareService):
     site_base_domain = settings.SAAS_PHPLIST_BASE_DOMAIN
     
     def get_db_name(self):
+        context = {
+            'name': self.instance.name,
+            'site_name': self.instance.name,
+        }
+        return settings.SAAS_PHPLIST_DB_NAME % context
         db_name = 'phplist_mu_%s' % self.instance.name
         # Limit for mysql database names
         return db_name[:65]
@@ -57,6 +78,13 @@ class PHPListService(SoftwareService):
     def get_db_user(self):
         return settings.SAAS_PHPLIST_DB_USER
     
+    def get_mailbox_name(self):
+        context = {
+            'name': self.instance.name,
+            'site_name': self.instance.name,
+        }
+        return settings.SAAS_PHPLIST_BOUNCES_MAILBOX_NAME % context
+    
     def get_account(self):
         account_model = self.instance._meta.get_field_by_name('account')[0]
         return account_model.rel.to.objects.get_main()
@@ -65,12 +93,17 @@ class PHPListService(SoftwareService):
         super(PHPListService, self).validate()
         create = not self.instance.pk
         if create:
+            account = self.get_account()
+            # Validated Database
             db_user = self.get_db_user()
             try:
                 DatabaseUser.objects.get(username=db_user)
             except DatabaseUser.DoesNotExist:
-                raise ValidationError(_("Global database user for PHPList '%s' does not exists."))
-            account = self.get_account()
+                raise ValidationError(
+                    _("Global database user for PHPList '%(db_user)s' does not exists.") % {
+                        'db_user': db_user
+                    }
+                )
             db = Database(name=self.get_db_name(), account=account)
             try:
                 db.full_clean()
@@ -78,12 +111,40 @@ class PHPListService(SoftwareService):
                 raise ValidationError({
                     'name': e.messages,
                 })
+            # Validate mailbox
+            mailbox = Mailbox(name=self.get_mailbox_name(), account=account)
+            try:
+                mailbox.full_clean()
+            except ValidationError as e:
+                raise ValidationError({
+                    'name': e.messages,
+                })
     
     def save(self):
+        account = self.get_account()
+        # Database
         db_name = self.get_db_name()
         db_user = self.get_db_user()
-        account = self.get_account()
         db, db_created = account.databases.get_or_create(name=db_name, type=Database.MYSQL)
         user = DatabaseUser.objects.get(username=db_user)
         db.users.add(user)
         self.instance.database_id = db.pk
+        # Mailbox
+        mailbox_name = self.get_mailbox_name()
+        mailbox, mb_created = account.mailboxes.get_or_create(name=mailbox_name)
+        if mb_created:
+            mailbox.set_password(settings.SAAS_PHPLIST_BOUNCES_MAILBOX_PASSWORD)
+            mailbox.save(update_fields=('password',))
+            self.instance.data.update({
+                'mailbox_id': mailbox.pk,
+                'mailbox_name': mailbox_name,
+            })
+    
+    def delete(self):
+        account = self.get_account()
+        # delete Mailbox (database will be deleted by ORM's cascade behaviour
+        mailbox_name = self.instance.data.get('mailbox_name') or self.get_mailbox_name()
+        mailbox_id = self.instance.data.get('mailbox_id')
+        qs = Q(Q(name=mailbox_name) | Q(id=mailbox_id))
+        for mailbox in account.mailboxes.filter(qs):
+            mailbox.delete()
diff --git a/orchestra/contrib/saas/settings.py b/orchestra/contrib/saas/settings.py
index 8fe794b8..0f13678f 100644
--- a/orchestra/contrib/saas/settings.py
+++ b/orchestra/contrib/saas/settings.py
@@ -117,6 +117,13 @@ SAAS_PHPLIST_DB_HOST = Setting('SAAS_PHPLIST_DB_HOST',
     help_text=_("Needed for password changing support."),
 )
 
+SAAS_PHPLIST_BOUNCES_MAILBOX_NAME = Setting('SAAS_PHPLIST_BOUNCES_MAILBOX_NAME',
+    '%(site_name)s-list-bounces',
+)
+
+SAAS_PHPLIST_BOUNCES_MAILBOX_PASSWORD = Setting('SAAS_PHPLIST_BOUNCES_MAILBOX_PASSWORD',
+    'secret',
+)
 
 SAAS_PHPLIST_BASE_DOMAIN = Setting('SAAS_PHPLIST_BASE_DOMAIN',
     'lists.{}'.format(ORCHESTRA_BASE_DOMAIN),
diff --git a/orchestra/contrib/saas/signals.py b/orchestra/contrib/saas/signals.py
index 95a88eca..c3354b1a 100644
--- a/orchestra/contrib/saas/signals.py
+++ b/orchestra/contrib/saas/signals.py
@@ -12,6 +12,7 @@ def type_save(sender, *args, **kwargs):
     instance = kwargs['instance']
     instance.service_instance.save()
 
+
 @receiver(pre_delete, sender=SaaS, dispatch_uid='saas.service.delete')
 def type_delete(sender, *args, **kwargs):
     instance = kwargs['instance']