diff --git a/notifications/models.py b/notifications/models.py
index 0376b8d..a564f73 100644
--- a/notifications/models.py
+++ b/notifications/models.py
@@ -40,6 +40,12 @@ def assert_soft_delete():
 
 class NotificationQuerySet(models.query.QuerySet):
 
+    def unsent(self):
+        return self.filter(emailed=False)
+
+    def sent(self):
+        return self.filter(emailed=True)
+
     def unread(self, include_deleted=False):
         """Return only unread items in the current queryset"""
         if is_soft_delete() and not include_deleted:
@@ -117,6 +123,12 @@ class NotificationQuerySet(models.query.QuerySet):
 
         return qs.update(deleted=False)
 
+    def mark_as_unsent(self):
+        return self.update(emailed=False)
+
+    def mark_as_sent(self):
+        return self.update(emailed=True)
+
 
 class Notification(models.Model):
     """