Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx mx:d126832a.ess.barracudanetworks.com mx:d126832b.ess.barracudanetworks.com ip4:65.51.251.220 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com -all"
]
}