diff --git a/preferences/templates/preferences/display_preferences.html b/preferences/templates/preferences/display_preferences.html
index a7d15679..3e71c817 100644
--- a/preferences/templates/preferences/display_preferences.html
+++ b/preferences/templates/preferences/display_preferences.html
@@ -503,5 +503,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
     </div>
 </div>
 
+{% for template in optionnal_templates_list %}
+    {{ template }}
+{% endfor %}
+
 {% endblock %}
 
diff --git a/preferences/views.py b/preferences/views.py
index ecb3826e..680fcac0 100644
--- a/preferences/views.py
+++ b/preferences/views.py
@@ -40,6 +40,8 @@ from django.utils.translation import ugettext as _
 
 from reversion import revisions as reversion
 
+from importlib import import_module
+from re2o.settings_local import OPTIONNAL_APPS
 from re2o.views import form
 from re2o.acl import can_create, can_edit, can_delete_set, can_view_all, can_delete
 
@@ -94,6 +96,10 @@ def display_options(request):
     radiusoptions, _ = RadiusOption.objects.get_or_create()
     cotisationsoptions, _created = CotisationsOption.objects.get_or_create()
     document_template_list = DocumentTemplate.objects.order_by('name')
+
+    optionnal_apps = [import_module(app) for app in OPTIONNAL_APPS]
+    optionnal_templates_list = [app.views.preferences(request) for app in optionnal_apps]
+
     return form({
         'useroptions': useroptions,
         'machineoptions': machineoptions,
@@ -109,6 +115,7 @@ def display_options(request):
         'switchmanagementcred_list': switchmanagementcred_list,
         'radiusoptions' : radiusoptions,
         'cotisationsoptions': cotisationsoptions,
+        'optionnal_templates_list': optionnal_templates_list,
         'document_template_list': document_template_list,
         }, 'preferences/display_preferences.html', request)
 
diff --git a/tickets/models.py b/tickets/models.py
index 01a4d77b..df1cd8ac 100644
--- a/tickets/models.py
+++ b/tickets/models.py
@@ -1,5 +1,7 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
+from django.core.mail import send_mail
+from django.template import Context, loader
 
 import users.models
 
@@ -42,3 +44,23 @@ class Ticket(models.Model):
 
     def __str__(self):
         return "Ticket de {} date: {}".format(self.user.surname,self.date)
+
+    def publish_mail(self):
+        template = loader.get_template('ticket/mail_publish_ticket')
+        context = Context({'ticket':self})
+        send_mail(
+            'Nouvelle ouverture de ticket',
+            '',
+            'ticket_app_re2o@crans.org',
+            '',
+            html_message=template.render(context))
+
+class Preferences(models.Model):
+    """ Class cannonique définissants les préférences des tickets """
+
+    publish_address = models.EmailField(
+        help_text = _("Adresse mail pour annoncer les nouveau tickets (laisser vide pour ne rien annoncer)"),
+        max_length = 1000,
+        null = True)
+    class Meta:
+        verbose_name = _("Préférences des tickets")
diff --git a/tickets/templates/tickets/preferences.html b/tickets/templates/tickets/preferences.html
new file mode 100644
index 00000000..c27c0a99
--- /dev/null
+++ b/tickets/templates/tickets/preferences.html
@@ -0,0 +1,12 @@
+{% load i18n %}
+
+<div  class="panel panel-default" id="tickets">
+    <div class="panel-heading" data-toggle="collapse" href="#collapse_tickets">
+        <h4 class="panel-title">
+            <a><i class="fa fa-ticket"></i>   {% trans "Tickets" %}</a>
+        </h4>
+    </div>
+    <div id="collapse_tickets" class="panel-collapse panel-body collapse">
+		preferences des tickets
+    </div>
+</div>
diff --git a/tickets/views.py b/tickets/views.py
index 9c6b42e6..ef268f9f 100644
--- a/tickets/views.py
+++ b/tickets/views.py
@@ -6,13 +6,15 @@ from django.forms import modelformset_factory
 from re2o.views import form
 
 from .models import(
-    Ticket
+    Ticket,
+    Preferences,
 )
 
 from .forms import (
     NewTicketForm
 )
 
+
 def new_ticket(request):
     """ Vue de création d'un ticket """
     ticketform = NewTicketForm(request.POST or None)#, user=request.user)
@@ -51,8 +53,17 @@ def aff_tickets(request):
     tickets = Ticket.objects.all().order_by('-date')
     return render(request,'tickets/index.html',
                     {'tickets_list':tickets})
+
+    
+# views cannoniques des apps optionnels    
 def profil(request,user):
     """ Vue cannonique d'affichage des tickets dans l'accordeon du profil"""
     tickets = Ticket.objects.filter(user=user).all().order_by('-date')
     context = {'tickets_list':tickets}
     return render_to_string('tickets/profil.html', context=context, request=request, using=None)
+
+def preferences(request):
+    """ Vue cannonique d'affichage des tickets dans l'affichage du profil"""
+    preferences = Preferences.objects.first()
+    context = {'preferences':preferences}
+    return render_to_string('tickets/preferences.html', context=context, request=request, using=None)