Email Formats

{
  "mx": [
    "10 mx1.esalogistics.hk.",
    "20 mx2.esalogistics.hk.",
    "5 mx3.esalogistics.hk."
  ],
  "spf": [
    "v=spf1 ip4:118.140.214.42 ip4:223.255.138.26 ip4:61.239.255.230 ip4:202.134.61.0/24 ip4:202.130.97.128/25 ip4:45.124.8.0/28 include:spf-mailer.incnets.com ~all"
  ]
}