Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:65.204.160.64/29 ip4:76.79.211.171/32 ip4:71.80.191.250/32 ip4:64.18.0.0/20 include:_spf.google.com include:spf.protection.outlook.com ~all"
]
}