Email Formats

{
  "mx": [
    "10 east.smtp.exch029.serverdata.net.",
    "20 west.smtp.exch029.serverdata.net."
  ],
  "spf": [
    "v=spf1 include:mailgun.org ip4:66.220.23.224/27 ip4:66.160.135.0/24 ip4:64.62.135.0/24 ip4:216.243.170.0/24 ip4:216.243.150.0/24 ip4:216.250.166.0/24 ip4:144.202.255.0/24 mx ~all"
  ]
}