Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:192.5.46.0/24 ip4:65.39.178.0/24 include:spf.protection.outlook.com include:spf.constantcontact.com include:sendgrid.net include:amazonaws.com include:us._netblocks.mimecast.com -all"
]
}