django-mailer-2 by APSL is a Chris Beaven form from a fork of 
James Tauber's django-mailer.

A reusable Django app for queuing the sending of email.

Execute runtests.py to run the test. You'll need a working mail server 
or just 

python -m smtpd -n -c DebuggingServer localhost:1025

Find documentation about configuration an use on: https://django-mailer2.readthedocs.org/en/latest/