Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:66.96.128.0/18 ip4:35.208.224.102 include:8348783.spf10.hubspotemail.net include:spf.protection.outlook.com ~all"
]
}