from django.core.mail import EmailMessage
from django.template.loader import render_to_string


        ctx = {
            'apartment': apartment
        }
        rendered = render_to_string('email/posted.html', ctx)
        code = apartment.listing_id()
        subject = "%s Your Listing has been Posted (LISTING ID: %s)"%(settings.EMAIL_SUBJECT_PREFIX, code)
        mail = EmailMessage(subject, rendered, to=[apartment.contact_email])
        mail.send()