Email Formats
{
"mx": [
"0 usb-smtp-inbound-1.mimecast.com.",
"0 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:207.172.199.210 ip4:3.220.136.140 ip4:50.203.229.114 ip4:50.217.176.58 ip4:23.96.29.30 ip4:44.208.115.147 ip4:44.207.13.155 include:spf.protection.outlook.com include:spf.mandrillapp.com include:spf.emailsignatures365.com include:usb._netblocks\" \".mimecast.com -all"
]
}