Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 include:us._netblocks.mimecast.com ip4:4.28.123.5 ip4:96.73.177.194 ip4:23.116.118.42 ip4:209.34.237.112 ip4:209.34.237.21 include:spf.protection.outlook.com -all"
]
}