Email Formats
{
"mx": [
"10 usb-smtp-inbound-1.mimecast.com.",
"10 usb-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:74.127.7.192/26 ip4:45.62.177.213/32 include:usb._netblocks.mimecast.com include:spf.emailsignatures365.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com include:mailgun.org -all"
]
}