Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:74.203.48.197 ip4:206.216.155.146 ip4:206.216.155.139 ip4:206.216.155.138 ip4:74.200.28.190 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com mx:lek.com -all"
]
}