Email Formats
{
"mx": [
"10 ca-smtp-inbound-2.mimecast.com.",
"10 ca-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 include:ca._netblocks.mimecast.com ip4:72.138.55.222 ip4:142.112.52.6 ip4:69.17.170.138 ip4:72.140.225.251 include:spf.protection.outlook.com -all"
]
}