Email Formats

{
  "mx": [
    "10 mailmetro.boclife.com.hk.",
    "20 mail3.boclife.com.hk.",
    "10 newmta.boclife.com.hk.",
    "10 mail.boclife.com.hk."
  ],
  "spf": [
    "v=spf1 ip4:202.127.168.0/21 ~all"
  ]
}