The problematic was :
How to couple a contact base to a mailing list and sending newsletters through Django ?

Imagine that we have an application containing some kind of profiles or something like the
django.contrib.auth and you want to send newsletters to them and tracking the activity.

Features
More than a long speech, here the list of the main features :
- Coupling capacities with another django model;
- Variables can be used in the newsletter's templates;
- Mailing list managements (merging, importing...);
- Configurable SMTP servers with flow limit management;
- Can send newsletter previews;
- Unsubscriptions to mailing list;
- Unique urls for an user;
- Tracking statistics.