Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 mx ip4:173.227.167.254 ip4:216.241.107.222 ip4:167.89.85.11 ip4:167.89.83.45 ip4:167.89.81.222 ip4:159.183.158.250 ip4:159.183.138.251 include:usb._netblocks.mimecast.com include:sendgrid.net include:spf.protection.outlook.com -all"
]
}