examples.py

Mailer.send(
    sender = 'john@example.com',
    recipients = ['alex@example.com', 'kate@example.com'],
    context_data = {'site': site},
    template_name = 'mailer/messages/message')


ModelMailer.send(
    object = message,
    request = request,
    recipients = Recipient.objects.values_list('email', flat=True))


class MessageMailer(ModelMailer):

    recipients = Recipient.objects.values_list('email', flat=True)
    fail_silently = True


class MessageSenderMailer(ModelMailer):

    def get_recipients(self):
        return self.get_object().email


MessageMailer.send(object=message, request=request)
MessageSenderMailer.send(object=message, request=request)