Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com.",
"5 mx1-us1.ppe-hosted.com.",
"5 mx2-us1.ppe-hosted.com."
],
"spf": [
"v=spf1 ip4:208.65.144.0/21 ip4:208.81.64.0/21 ip4:69.129.88.212 include:_netblocks.mimecast.com include:_spf-us.ppe-hosted.com ~all"
]
}