Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:98.37.159.2 ipv4:168.245.16.120 include:spf.protection.outlook.com include:us._netblocks.mimecast.com include:amazonses.com -all"
]
}