Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:192.0.2.0/24 ip4:198.51.100.123 ip4:107.180.91.58 include:_netblocks.mimecast.com include:spf.serverdata.net include:secureserver.net ~all"
]
}