Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:sendgrid.net ip4:51.4.224.28 ip4:51.4.224.172 ip4:40.143.96.133 ip4:40.143.96.150 -all"
]
}