Email Formats

{
  "mx": [
    "5 mgw.tungwah.org.hk.",
    "5 mgw1.tungwah.org.hk.",
    "5 mgw2.tungwah.org.hk."
  ],
  "spf": [
    "v=spf1 mx a ip4:113.28.15.19/32 ip4:113.28.15.20/32 ~all"
  ]
}