Email Formats
{
"mx": [
"10 us-smtp-inbound-2.mimecast.com.",
"10 us-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 ip4:71.95.21.176/28 ip4:64.60.31.33/28 ip4:170.10.129.223/32 ip4:170.10.133.223/32 include:_netblocks.mimecast.com -all"
]
}