from django.conf import settings

def site_info(request):
    return {'DOMAIN_URL': settings.DOMAIN_URL,
            'SECURE_DOMAIN_URL': settings.SECURE_DOMAIN_URL,
            'DEBUG': settings.DEBUG}
from django.conf import settings

def site_info(request):
    return {'DOMAIN_URL': settings.DOMAIN_URL,
            'SECURE_DOMAIN_URL': settings.SECURE_DOMAIN_URL,
            'DEFAULT_FROM_EMAIL': settings.DEFAULT_FROM_EMAIL,
            'DEBUG': settings.DEBUG}

Add DEFAULT_FROM_EMAIL to default template context