Email Formats

{
  "mx": [
    "20 mail2.dickson.com.hk.",
    "10 mail1.dickson.com.hk."
  ],
  "spf": [
    "v=spf1 a mx ip4:59.152.212.160/27 ip4:61.93.252.0/29 ip4:52.192.226.215/32 include:rspread.net ~all"
  ]
}