Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx a ip4:8.24.204.8/29 ip4:8.24.204.16/31 ip4:8.24.204.18/32 include:spf.mandrillapp.com include:_netblocks.mimecast.com ~all"
]
}