Email Formats
{
"mx": [
"5 usb-smtp-inbound-1.mimecast.com.",
"5 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:63.163.160.4 ip4:208.91.114.151 ip4:15.224.192.0/24 include:spf.protection.outlook.com ip4:69.84.87.254 ip4:150.105.185.150 include:_spf.salesforce.com include:amazonses.com include:_spf.highradius.com include:sendgrid.net include:usb._netblock\" \"s.mimecast.com ~all"
]
}