Email Formats

{
  "mx": [
    "20 east.smtp.mx.exch092.serverdata.net.",
    "10 west.smtp.mx.exch092.serverdata.net."
  ],
  "spf": [
    "v=spf1 include:spf.serverdata.net a:smtpout.zixmail.com ip4:209.34.252.104  -all"
  ]
}