Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 a mx ip4:93.104.210.238 ip4:80.241.223.27 ip4:80.241.223.28 include:amazonses.com include:us._netblocks.mimecast.com ~all"
]
}