Email Formats

{
  "mx": [
    "10 mx-dfw.smtp.directrouter.com.",
    "20 mx-lon.smtp.directrouter.com."
  ],
  "spf": [
    "v=spf1 ip4:3.20.252.12 include:relay.mailchannels.net ip4:3.18.78.224 ip4:72.249.31.104 +a +mx ~all"
  ]
}