I forked django mailer to support multiple accounts and email queue throttling per day per account.

https://github.com/yuchant/django-mailer

django-mailer by James Tauber http://jtauber.com/
http://code.google.com/p/django-mailer/

A reusable Django app for queuing the sending of email

Forked to support multiple accounts and email throttling.

Forked to allow django-mailer to use multiple email accounts and to impose a daily sending limit per email account.

Specifically made for Google Apps users who have a 500 email a day per user sending limit and are also limited to a from_address that is the actual authenticated account.

If you’d like to use different “from” emails, it’s currently not an option with google apps.

Options

DAILY_SENDING_LIMIT

Specify an optional MAILER_DAILY_SENDING_LIMIT in settings.py to limit the amount of emails per 24 hours.

Throttling is done via emails sent in the last 24 hours, not discrete days.

# settings.py MAILER_DAILY_SENDING_LIMIT = 400 

MULTIPLE ACCOUNTS

send_mail takes an extra keyword argument, account, which is an integer mapped to a specific account in settings.py.

Account 0 is mapped to the default email settings EMAIL_HOST, EMAIL_PORT, etc.

Account 1 is mapped to EMAIL1_HOST, EMAIL1_PORT, etc.

All settings below are required and mailer will complain if it fails to find a setting.

# settings.py
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_PORT = 587
EMAIL_HOST_USER = 'foo@example.com'
EMAIL_HOST_PASSWORD = 'password'
EMAIL_USE_TLS = True

EMAIL1_HOST = 'smtp.gmail.com'
EMAIL1_PORT = 587
EMAIL1_HOST_USER = 'bar@example.com'
EMAIL1_HOST_PASSWORD = 'password'
EMAIL1_USE_TLS = True

Usage

from mailer import send_mail

send_mail("Subject", "Body", "from@example.com", ["to@example.com"]) # uses default email settings
send_mail("Subject", "Body", "from@example.com", ["to@example.com"], account=1) # uses EMAIL1_* settings
send_mail("Subject", "Body", "from@example.com", ["to@example.com"], account=2) # uses EMAIL2_* settings

bash $ python manage.py send_mail
# iterates through Messages by account and sends up to DAILY_SENDING_LIMIT per account if specified.