Email Formats
{
"mx": [
"0 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 a mx:mail.russellbond.com a:www.russellbond.com ip4:208.69.84.180 include:spf.ess.barracudanetworks.com include:spf.constantcontact.com include:spf.protection.outlook.com ~all"
]
}