Don not allow duplicate aliases, lowercase some fields

dpdapi/migrations/0002_auto_20150118_1638.py

@@ -0,0 +1,18 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dpdapi', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name='alias',
+            unique_together=set([('source', 'destination', 'domain')]),
+        ),
+    ]