Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:168.215.199.246 ip4:65.58.65.210 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:mail.zendesk.com include:_spf.salesforce.com ~all"
]
}