Email Formats
{
"mx": [
"20 usb-smtp-inbound-2.mimecast.com.",
"10 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:74.93.44.9 ip4:149.154.23.20 ip4:149.154.23.21 ip4:149.154.23.18 ip4:75.150.218.100 ip4:75.150.218.101 ip4:96.91.177.243 ip4:96.91.177.244 ip4:44.223.113.40 ~all"
]
}