Email Formats
{
"mx": [
"20 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:64.57.250.212 ip4:149.72.173.59 ip4:149.72.166.67 ip4:149.72.173.59 ip4:149.72.166.67 ip4:159.183.150.229 ip4:69.72.44.226 include:us._netblocks.mimecast.com ~all"
]
}