Email Formats
{
"mx": [
"10 us-smtp-inbound-1.mimecast.com.",
"10 us-smtp-inbound-2.mimecast.com."
],
"spf": [
"v=spf1 ip4:12.97.41.106 ip4:104.154.105.17 include:us._netblocks.mimecast.com include:spf-westus.emailsignatures365.com include:spf.mandrillapp.com ~all"
]
}