Email Formats

{
  "mx": [
    "10 us-smtp-inbound-1.mimecast.com.",
    "10 us-smtp-inbound-2.mimecast.com."
  ],
  "spf": [
    "v=spf1 mx include:penton.com include:mxlogic.net ~all include:_netblocks.mimecast.com",
    "v=spf1\" \"ip4:66.111.107.173"
  ]
}