diff --git a/.travis.yml b/.travis.yml
index 9644893..cb03bb1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,18 +1,28 @@
 language: python
+
 python:
-    - "2.6"
-    - "2.7"
-    - "3.3"
+  - "2.6"
+  - "2.7"
+  - "3.3"
+
 env:
-    - DJANGO=1.4.14
-    - DJANGO=1.5.9
-    - DJANGO=1.6.6
+  - DJANGO=1.4.14
+  - DJANGO=1.5.9
+  - DJANGO=1.6.8
+  - DJANGO=1.7.1
+
 matrix:
-    exclude:
-        - env: DJANGO=1.4.14
-          python: "3.3"
+  allow_failures:
+    # Allow failures for legacy django versions
+    - env: DJANGO=1.4.14
+    - env: DJANGO=1.5.9
+  exclude:
+    - env: DJANGO=1.4.14
+      python: "3.3"
+    - env: DJANGO=1.7.1
+      python: "2.6"
 install:
-    - pip install -q Django==$DJANGO --use-mirrors
-    - pip install -q -e . --use-mirrors
+  - pip install -q Django==$DJANGO --use-mirrors
+  - pip install -q -e . --use-mirrors
 script:
-    - python setup.py test
+  - python setup.py test
diff --git a/django_mailbox/migrations/0001_initial.py b/django_mailbox/migrations/0001_initial.py
index 4faa4fa..dfb6ffa 100644
--- a/django_mailbox/migrations/0001_initial.py
+++ b/django_mailbox/migrations/0001_initial.py
@@ -1,59 +1,59 @@
 # -*- coding: utf-8 -*-
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
+from __future__ import unicode_literals
+
+from django.db import models, migrations
 
 
-class Migration(SchemaMigration):
+class Migration(migrations.Migration):
 
-    def forwards(self, orm):
-        # Adding model 'Mailbox'
-        db.create_table('django_mailbox_mailbox', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('name', self.gf('django.db.models.fields.CharField')(max_length=255)),
-            ('uri', self.gf('django.db.models.fields.CharField')(max_length=255)),
-        ))
-        db.send_create_signal('django_mailbox', ['Mailbox'])
+    dependencies = [
+    ]
 
-        # Adding model 'Message'
-        db.create_table('django_mailbox_message', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('mailbox', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['django_mailbox.Mailbox'])),
-            ('subject', self.gf('django.db.models.fields.CharField')(max_length=255)),
-            ('message_id', self.gf('django.db.models.fields.CharField')(max_length=255)),
-            ('from_address', self.gf('django.db.models.fields.CharField')(max_length=255)),
-            ('body', self.gf('django.db.models.fields.TextField')()),
-            ('received', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
-        ))
-        db.send_create_signal('django_mailbox', ['Message'])
-
-
-    def backwards(self, orm):
-        # Deleting model 'Mailbox'
-        db.delete_table('django_mailbox_mailbox')
-
-        # Deleting model 'Message'
-        db.delete_table('django_mailbox_message')
-
-
-    models = {
-        'django_mailbox.mailbox': {
-            'Meta': {'object_name': 'Mailbox'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'uri': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        },
-        'django_mailbox.message': {
-            'Meta': {'object_name': 'Message'},
-            'body': ('django.db.models.fields.TextField', [], {}),
-            'from_address': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'mailbox': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['django_mailbox.Mailbox']"}),
-            'message_id': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
-            'received': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
-            'subject': ('django.db.models.fields.CharField', [], {'max_length': '255'})
-        }
-    }
-
-    complete_apps = ['django_mailbox']
\ No newline at end of file
+    operations = [
+        migrations.CreateModel(
+            name='Mailbox',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('name', models.CharField(max_length=255, verbose_name='Name')),
+                ('uri', models.CharField(default=None, max_length=255, blank=True, help_text="Example: imap+ssl://myusername:mypassword@someserver <br /><br />Internet transports include 'imap' and 'pop3'; common local file transports include 'maildir', 'mbox', and less commonly 'babyl', 'mh', and 'mmdf'. <br /><br />Be sure to urlencode your username and password should they contain illegal characters (like @, :, etc).", null=True, verbose_name='URI')),
+                ('from_email', models.CharField(default=None, max_length=255, blank=True, help_text="Example: MailBot &lt;mailbot@yourdomain.com&gt;<br />'From' header to set for outgoing email.<br /><br />If you do not use this e-mail inbox for outgoing mail, this setting is unnecessary.<br />If you send e-mail without setting this, your 'From' header will'be set to match the setting `DEFAULT_FROM_EMAIL`.", null=True, verbose_name='From email')),
+                ('active', models.BooleanField(default=True, help_text='Check this e-mail inbox for new e-mail messages during polling cycles.  This checkbox does not have an effect upon whether mail is collected here when this mailbox receives mail from a pipe, and does not affect whether e-mail messages can be dispatched from this mailbox. ', verbose_name='Active')),
+            ],
+            options={
+                'verbose_name_plural': 'Mailboxes',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='Message',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('subject', models.CharField(max_length=255, verbose_name='Subject')),
+                ('message_id', models.CharField(max_length=255, verbose_name='Message ID')),
+                ('from_header', models.CharField(max_length=255, verbose_name='From header')),
+                ('to_header', models.TextField(verbose_name='To header')),
+                ('outgoing', models.BooleanField(default=False, verbose_name='Outgoing')),
+                ('body', models.TextField(verbose_name='Body')),
+                ('encoded', models.BooleanField(default=False, help_text='True if the e-mail body is Base64 encoded', verbose_name='Encoded')),
+                ('processed', models.DateTimeField(auto_now_add=True, verbose_name='Processed')),
+                ('read', models.DateTimeField(default=None, null=True, verbose_name='Read', blank=True)),
+                ('in_reply_to', models.ForeignKey(related_name='replies', verbose_name='In reply to', blank=True, to='django_mailbox.Message', null=True)),
+                ('mailbox', models.ForeignKey(related_name='messages', verbose_name='Mailbox', to='django_mailbox.Mailbox')),
+            ],
+            options={
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
+            name='MessageAttachment',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('headers', models.TextField(null=True, verbose_name='Headers', blank=True)),
+                ('document', models.FileField(upload_to=b'mailbox_attachments/%Y/%m/%d/', verbose_name='Document')),
+                ('message', models.ForeignKey(related_name='attachments', verbose_name='Message', blank=True, to='django_mailbox.Message', null=True)),
+            ],
+            options={
+            },
+            bases=(models.Model,),
+        ),
+    ]
diff --git a/django_mailbox/runtests.py b/django_mailbox/runtests.py
index 62094fd..068871a 100644
--- a/django_mailbox/runtests.py
+++ b/django_mailbox/runtests.py
@@ -3,6 +3,7 @@ import sys
 
 from os.path import dirname, abspath
 
+from django import setup
 from django.conf import settings
 
 if not settings.configured:
@@ -27,6 +28,8 @@ def runtests(*test_args):
         test_args = ['django_mailbox']
     parent = dirname(abspath(__file__))
     sys.path.insert(0, parent)
+    # ensure that AppRegistry has loaded
+    setup()
     runner = DjangoTestSuiteRunner(
         verbosity=1,
         interactive=False,
diff --git a/django_mailbox/south_migrations/0001_initial.py b/django_mailbox/south_migrations/0001_initial.py
new file mode 100644
index 0000000..4faa4fa
--- /dev/null
+++ b/django_mailbox/south_migrations/0001_initial.py
@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding model 'Mailbox'
+        db.create_table('django_mailbox_mailbox', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('name', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('uri', self.gf('django.db.models.fields.CharField')(max_length=255)),
+        ))
+        db.send_create_signal('django_mailbox', ['Mailbox'])
+
+        # Adding model 'Message'
+        db.create_table('django_mailbox_message', (
+            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
+            ('mailbox', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['django_mailbox.Mailbox'])),
+            ('subject', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('message_id', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('from_address', self.gf('django.db.models.fields.CharField')(max_length=255)),
+            ('body', self.gf('django.db.models.fields.TextField')()),
+            ('received', self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, blank=True)),
+        ))
+        db.send_create_signal('django_mailbox', ['Message'])
+
+
+    def backwards(self, orm):
+        # Deleting model 'Mailbox'
+        db.delete_table('django_mailbox_mailbox')
+
+        # Deleting model 'Message'
+        db.delete_table('django_mailbox_message')
+
+
+    models = {
+        'django_mailbox.mailbox': {
+            'Meta': {'object_name': 'Mailbox'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'uri': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        'django_mailbox.message': {
+            'Meta': {'object_name': 'Message'},
+            'body': ('django.db.models.fields.TextField', [], {}),
+            'from_address': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'mailbox': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['django_mailbox.Mailbox']"}),
+            'message_id': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'received': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'subject': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        }
+    }
+
+    complete_apps = ['django_mailbox']
\ No newline at end of file
diff --git a/django_mailbox/migrations/0002_auto__chg_field_mailbox_uri.py b/django_mailbox/south_migrations/0002_auto__chg_field_mailbox_uri.py
similarity index 100%
rename from django_mailbox/migrations/0002_auto__chg_field_mailbox_uri.py
rename to django_mailbox/south_migrations/0002_auto__chg_field_mailbox_uri.py
diff --git a/django_mailbox/migrations/0003_auto__add_field_mailbox_active.py b/django_mailbox/south_migrations/0003_auto__add_field_mailbox_active.py
similarity index 100%
rename from django_mailbox/migrations/0003_auto__add_field_mailbox_active.py
rename to django_mailbox/south_migrations/0003_auto__add_field_mailbox_active.py
diff --git a/django_mailbox/migrations/0004_auto__add_field_message_outgoing.py b/django_mailbox/south_migrations/0004_auto__add_field_message_outgoing.py
similarity index 100%
rename from django_mailbox/migrations/0004_auto__add_field_message_outgoing.py
rename to django_mailbox/south_migrations/0004_auto__add_field_message_outgoing.py
diff --git a/django_mailbox/migrations/0005_rename_fields.py b/django_mailbox/south_migrations/0005_rename_fields.py
similarity index 100%
rename from django_mailbox/migrations/0005_rename_fields.py
rename to django_mailbox/south_migrations/0005_rename_fields.py
diff --git a/django_mailbox/migrations/0006_auto__add_field_message_in_reply_to.py b/django_mailbox/south_migrations/0006_auto__add_field_message_in_reply_to.py
similarity index 100%
rename from django_mailbox/migrations/0006_auto__add_field_message_in_reply_to.py
rename to django_mailbox/south_migrations/0006_auto__add_field_message_in_reply_to.py
diff --git a/django_mailbox/migrations/0007_auto__del_field_message_address__add_field_message_from_header__add_fi.py b/django_mailbox/south_migrations/0007_auto__del_field_message_address__add_field_message_from_header__add_fi.py
similarity index 100%
rename from django_mailbox/migrations/0007_auto__del_field_message_address__add_field_message_from_header__add_fi.py
rename to django_mailbox/south_migrations/0007_auto__del_field_message_address__add_field_message_from_header__add_fi.py
diff --git a/django_mailbox/migrations/0008_populate_from_to_fields.py b/django_mailbox/south_migrations/0008_populate_from_to_fields.py
similarity index 100%
rename from django_mailbox/migrations/0008_populate_from_to_fields.py
rename to django_mailbox/south_migrations/0008_populate_from_to_fields.py
diff --git a/django_mailbox/migrations/0009_remove_references_table.py b/django_mailbox/south_migrations/0009_remove_references_table.py
similarity index 100%
rename from django_mailbox/migrations/0009_remove_references_table.py
rename to django_mailbox/south_migrations/0009_remove_references_table.py
diff --git a/django_mailbox/migrations/0010_auto__add_field_mailbox_from_email.py b/django_mailbox/south_migrations/0010_auto__add_field_mailbox_from_email.py
similarity index 100%
rename from django_mailbox/migrations/0010_auto__add_field_mailbox_from_email.py
rename to django_mailbox/south_migrations/0010_auto__add_field_mailbox_from_email.py
diff --git a/django_mailbox/migrations/0011_auto__add_field_message_read.py b/django_mailbox/south_migrations/0011_auto__add_field_message_read.py
similarity index 100%
rename from django_mailbox/migrations/0011_auto__add_field_message_read.py
rename to django_mailbox/south_migrations/0011_auto__add_field_message_read.py
diff --git a/django_mailbox/migrations/0012_auto__add_messageattachment.py b/django_mailbox/south_migrations/0012_auto__add_messageattachment.py
similarity index 100%
rename from django_mailbox/migrations/0012_auto__add_messageattachment.py
rename to django_mailbox/south_migrations/0012_auto__add_messageattachment.py
diff --git a/django_mailbox/migrations/0013_auto__add_field_messageattachment_message.py b/django_mailbox/south_migrations/0013_auto__add_field_messageattachment_message.py
similarity index 100%
rename from django_mailbox/migrations/0013_auto__add_field_messageattachment_message.py
rename to django_mailbox/south_migrations/0013_auto__add_field_messageattachment_message.py
diff --git a/django_mailbox/migrations/0014_migrate_message_attachments.py b/django_mailbox/south_migrations/0014_migrate_message_attachments.py
similarity index 100%
rename from django_mailbox/migrations/0014_migrate_message_attachments.py
rename to django_mailbox/south_migrations/0014_migrate_message_attachments.py
diff --git a/django_mailbox/migrations/0015_auto__add_field_messageattachment_headers.py b/django_mailbox/south_migrations/0015_auto__add_field_messageattachment_headers.py
similarity index 100%
rename from django_mailbox/migrations/0015_auto__add_field_messageattachment_headers.py
rename to django_mailbox/south_migrations/0015_auto__add_field_messageattachment_headers.py
diff --git a/django_mailbox/migrations/0016_auto__add_field_message_encoded.py b/django_mailbox/south_migrations/0016_auto__add_field_message_encoded.py
similarity index 100%
rename from django_mailbox/migrations/0016_auto__add_field_message_encoded.py
rename to django_mailbox/south_migrations/0016_auto__add_field_message_encoded.py
diff --git a/django_mailbox/south_migrations/__init__.py b/django_mailbox/south_migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/django_mailbox/tests/messages/generic_message.eml b/django_mailbox/tests/messages/generic_message.eml
index b3c9f33..bf5f0fe 100644
--- a/django_mailbox/tests/messages/generic_message.eml
+++ b/django_mailbox/tests/messages/generic_message.eml
@@ -1,5 +1,4 @@
 MIME-Version: 1.0
-Received: by 10.221.0.211 with HTTP; Sun, 20 Jan 2013 11:53:53 -0800 (PST)
 X-Originating-IP: [24.22.122.177]
 Date: Sun, 20 Jan 2013 11:53:53 -0800
 Delivered-To: test@adamcoddington.net
diff --git a/django_mailbox/tests/messages/message_with_attachment.eml b/django_mailbox/tests/messages/message_with_attachment.eml
index 34e7093..ac1cc43 100644
--- a/django_mailbox/tests/messages/message_with_attachment.eml
+++ b/django_mailbox/tests/messages/message_with_attachment.eml
@@ -17,8 +17,8 @@ This message has an attachment.
 --047d7b33dd729737fe04d3bde348
 Content-Type: image/png; name="heart.png"
 Content-Disposition: attachment; filename="heart.png"
-Content-Transfer-Encoding: base64
 X-Attachment-Id: f_hc6mair60
+Content-Transfer-Encoding: base64
 
 iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAFoTx1HAAAAzUlEQVQoz32RWxXDIBBEr4NIQEIl
 ICESkFAJkRAJSIgEpEQCEqYfu6QUkn7sCcyDGQiSACKSKCAkGwBJwhDwZQNMEiYAIBdQvk7rfaHf