Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:216.81.195.163 ip4:216.81.154.210 ip4:216.81.154.211 ip4:216.81.154.212 include:us._netblocks.mimecast.com -all"
]
}