Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx a ip4:209.210.178.36/32 ip4:216.161.140.118/32 ip4:63.136.101.205/32 ip4:70.98.125.101/32 include:_netblocks.mimecast.com ~all"
]
}