Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:8001622.spf03.hubspotemail.net include:spf-us.emailsignatures365.com include:usb._netblocks.mimecast.com ~all"
]
}