Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:192.184.112.140 ip4:20.122.231.133 ip4:192.184.112.134 ip4:192.184.112.159 include:us._netblocks.mimecast.com include:servers.mcsv.net -all"
]
}