Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:151.181.61.229 ip4:173.210.99.114 ip4:205.139.110.124 ip4:64.58.247.146 mx include:_netblocks.mimecast.com ~all"
]
}