diff --git a/api/serializers.py b/api/serializers.py
old mode 100644
new mode 100755
index d8917333..e0e10f10
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -631,6 +631,9 @@ class MailAliasSerializer(NamespacedHMSerializer):
         fields = ('user', 'valeur', 'complete_mail')
 
 
+
+
+
 # SERVICE REGEN
 
 
@@ -647,6 +650,17 @@ class ServiceRegenSerializer(NamespacedHMSerializer):
         extra_kwargs = {
             'api_url': {'view_name': 'serviceregen-detail'}
         }
+        
+# Configuration mail
+
+
+class UserMailAliasSerializer(NamespacedHMSerializer): 
+    get_mail_aliases = MailAliasSerializer(read_only=True, many=True)
+
+    class Meta:
+        model = users.User
+        fields = ('pseudo', 'get_mail_aliases')
+
 
 # Switches et ports
 
diff --git a/api/urls.py b/api/urls.py
old mode 100644
new mode 100755
index f4b87a25..a2dc166f
--- a/api/urls.py
+++ b/api/urls.py
@@ -102,6 +102,8 @@ router.register_view(r'dhcp/hostmacip', views.HostMacIpView),
 # Switches config
 router.register_view(r'switchs/ports-config', views.SwitchPortView),
 router.register_view(r'switchs/role', views.RoleView),
+# Mail config
+router.register_view(r'mail/alias', views.UserMailAliasView),
 # Reminder
 router.register_view(r'reminder/get-users', views.ReminderView),
 # Firewall
diff --git a/api/views.py b/api/views.py
old mode 100644
new mode 100755
index 1eb6d911..45bb0545
--- a/api/views.py
+++ b/api/views.py
@@ -521,6 +521,17 @@ class RoleView(generics.ListAPIView):
     serializer_class = serializers.RoleSerializer
 
 
+# Server mail config
+
+
+class UserMailAliasView(generics.ListAPIView):
+    """Expose all the aliases of the users that activated the internal address
+    """
+
+    queryset = users.User.objects.filter(internal_address=True)
+    serializer_class = serializers.UserMailAliasSerializer
+
+
 # Rappel fin adhésion
 
 class ReminderView(generics.ListAPIView):
diff --git a/users/models.py b/users/models.py
old mode 100644
new mode 100755
index b0e56ad1..c05b63e3
--- a/users/models.py
+++ b/users/models.py
@@ -682,6 +682,12 @@ class User(RevMixin, FieldPermissionModelMixin, AbstractBaseUser,
         else:
             return str(self.mailalias_set.get(valeur=self.pseudo))
 
+    @cached_property
+    def get_mail_aliases(self):
+        if self.internal_address:
+            return self.mailalias_set.all()
+        return None
+
     def get_next_domain_name(self):
         """Look for an available name for a new interface for
         this user by trying "pseudo0", "pseudo1", "pseudo2", ...