def make_mx_record(domain):
"""
Makes an mx record for a domain that we own.
:return: The status returned from the add_mx call if it was successful.
"""
if not domain_exists(domain):
return None
connection = EfficientRoute53Connection(settings.AWS_ACCESS_KEY_ID,
settings.AWS_SECRET_KEY)
zone = connection.get_hosted_zone_by_name(domain)
if zone:
zone = Zone(connection, zone['GetHostedZoneResponse']['HostedZone'])
return zone.add_mx(domain , ['10 mx.sendgrid.net'])
