Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:67.209.48.92 ip4:69.67.144.92 include:us._netblocks.mimecast.com include:e2ma.net include:_spf.google.com -all"
]
}