Email Formats

{
  "mx": [
    "50 mail.telefield.com.hk.",
    "10 cluster5.us.messagelabs.com.",
    "20 cluster5a.us.messagelabs.com."
  ],
  "spf": [
    "v=spf1 ip4:219.76.193.105 ip4:183.62.152.193 ip4:183.63.130.158 include:spf.messagelabs.com ~all"
  ]
}