django send mail for managers

send_mail.py

# -*- coding: utf-8 -*-
from django.conf import settings
from django.template.loader import render_to_string
from mailer.models import Message
from mailer import PRIORITY_MAPPING


subject = settings.EMAIL_SUBJECT_PREFIX + u'Pending Registrations'
priority = PRIORITY_MAPPING['high']
context = {
    'subject': subject,
}
message_body = render_to_string('path/template_to_render_mail.html', context)

for manager in settings.MANAGERS:
    Message(to_address=manager[1],
            from_address=settings.DEFAULT_FROM_EMAIL,
            subject=subject,
            message_body=message_body,
            html=True,
            priority=priority).save()