Email Formats
{
"mx": [
"10 usb-smtp-inbound-2.mimecast.com.",
"10 usb-smtp-inbound-1.mimecast.com."
],
"spf": [
"v=spf1 include:usb._netblocks.mimecast.com ip4:199.204.177.178/30 ip4:66.91.130.90/30 ip4:64.128.13.142/24 include:_spf.prod.hydra.sophos.com -all"
]
}